How to Create Your Own Alien Species

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Have you been wanting to create a cool alien from a movie or book with your own twist? Creating an alien species is a creative process. You will be able to decide what the species looks like, how they act, and even create the history of whole planets. There are many details to consider, but with some original thought and a commitment to revising and developing characters, you can create your own fictional alien species.

Part 1
Part 1 of 3:

Designing Your Aliens

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  1. Your alien species will develop and change as you give it more of a backstory, but you have to set some basic parameters to get started. Use a written outline or a quick sketch to get ideas down. [1]
    • Are the aliens going to be human-like or physically different?
    • Will they have their own language?
    • Do you want your aliens to be scientifically plausible?
    • Do they come from a known planet, or are you inventing the planet as well?
  2. The aliens you create will have a specific function in your story, and that function may define parts of how they look and act. Think about what role the aliens will play in your story. [2]
    • Are your aliens going to be your main characters or supporting characters?
    • Will they be good or evil? Will they be something in between?
    • Will they be intelligent beings from an advanced society, or will they be primitive?
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  3. Whether you build your story around your aliens’ features or you build your aliens around your story, their physical composition and storyline should work together. [3]
    • Think about what your aliens need. What biological features do they need to survive in your story? If they come from a planet close to its star, for example, do they need thick or plated skin for protection?
    • Will their physiology create meaningful challenges? For example, will a species with a tail be easier for alien head hunters to catch? Will the species have to find ways to adapt?
    • Will their physiology create any unnecessary challenges? Look for features in your aliens’ physiology that might make for improbable scenarios, such as a species with gills invading a species on land. Find ways to rework those improbabilities.
    • Remember, form follows function. A flying alien will probably be very slim and lightly built while a swimming one might be streamlined like a dolphin or shark.
    • You can also "reverse engineer" an alien's habitat and lifestyle based on its looks. So a lanky alien with long arms might live in the trees like a monkey, or one with lots of fin-like crests might live somewhere wet like a lake or marsh.
  4. Making a drawing can give your imagination a jump start if you're having trouble describing your alien. Even if you are not using images in your story, drawing may help you focus on your aliens’ details. [4]
    • Try a basic sketch depicting the physical features of your aliens.
    • Once you have their standard look established, depict your aliens in a few scenes from your story. Seeing how the aliens fit into the events and physical surroundings of the story may help you refine what they look like or how they act.
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Part 2
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Building a Backstory

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  1. The actions of your alien are going to be informed by its social surroundings. You may opt not to create an entire history for the new species, but consider shared values and customs and how they relate to your alien characters.
    • Consider political structure. Is it governed by or separate from religion? Are they autocratic, democratic, or governed by different means?
    • Are your inherently peaceful or inherently militant? They may be neither, but if they are meant to be truly peaceful or truly warmongering, it will impact how they act.
    • Think about social stratification. Are there any sub-races within your race? Do certain individuals have greater status based on their families, jobs, wealth, or other factors?
    • Do your aliens form strong social connections, such as friendship and love?
  2. There are limitless ways in which your aliens can communicate. They might speak, use telepathy, communicate via scent or body language, or something else entirely.
    • Establish how your aliens communicate with one another. Do they have their own language? Will they use the same language as the non-alien characters in your story?
    • If they communicate by telepathy, consider how you will depict the experience. Will others hear a voice in their head, or will they emerge from interactions with an understanding that uses no words?
    • Decide how your aliens will communicate with other species, if necessary. Will they use translators? Are they multilingual? Will they learn during the story?
  3. If your aliens are going to an area that is not their home planet, you need to decide how they get there. If others are coming to their world, you need to decide how.
    • What means do your aliens use to get to one another? If they use locomotion, what type? Do they teleport?
    • Develop a means of long-distance transportation. How do your aliens get around their planet? How do they get to other planets? Are there specialized vehicles for different purposes?
    • If your aliens will be visited by beings from other planets, decide how they will react to alien ships. Will they understand what they are, or will they be confused or frightened?
    • If your aliens are on earth, develop how they got there. If it was by ship, is that ship still present and functional?
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Part 3
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Writing Your Story

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  1. Once you have your alien species developed, you are ready to create the characters that will drive your story. [5]
    • Your alien characters will be informed by the information you worked out, but they need to be individuals. Each alien character should have a distinct purpose that drives the story forward, as well as their own character arch.
    • Diversify your alien characters. Like people, they should operate in the parameters you set for your world, but they should each have their own personality. What is your character’s social status? What is their emotional range? Do they have any personal relationships?
  2. Find problems . Individual characters should have personal focus, as well as a focus on the overall story arc. Create problems for your characters that impact them on an individual level.
    • Give your character personal quirks and challenges. All of your alien characters may be focused on saving their planet, but is one in particular also having trouble learning to read? Create dynamic characters that are different from one another.
    • If there is a problem pertaining to the whole species, give your character a personal interest in that issue. For example, if the species is about to fight for their own defense, create conflict by having a character that opposes violent conflict but fears losing family or a loved one.
    • Make your characters more relatable by giving them small problems outside of the overall story arc. Characters focused on one matter will come off as one-dimensional.
  3. Give your story depth by creating consequences for your alien characters. They may be positive or negative, but the actions of the alien characters should move the story forward.
    • Consequences will naturally build your alien character’s story arch. If they invade another planet, for example, will they be welcomed home as a hero or exiled for their destruction? How will the consequences of their actions inform their future decisions?
    • Create consequences that your audience might not see. Decide if there are major events in the history of your alien species that inform their actions and behavior. Try to use these events to create conflict and depth in your character.
  4. You want to create a complete world so that you can make compelling alien characters, but your story should be clear and engaging for your audience.
    • Provide detail that informs specific parts of your story. If, for example, an alien character is stranded on earth, establish how they got there and why.
    • Avoid putting in too much detail that does not relate directly to the story. Use the details you created to inform your writing, but avoid including lengthy explanations of things that do not make sense of the story or move it along.
    • You may decide, for example, that your aliens all glow blue in a mostly helium atmosphere. However, if they are never in a helium atmosphere during the story, there is likely no need to include that detail for your audience.
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Community Q&A

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  • Question
    How can I come up with physical features?
    Community Answer
    Try linking them to their natural habitat. How does it eat or drink, and how does it survive in its environment? Does it breath through gills or lungs? Does it have antennae to help it perceive its surroundings? Use your imagination.
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  • Question
    How do I create a scientifically-plausible alien species?
    Tyree McGill Love
    Community Answer
    Do research into the effects of planetary conditions (proximity to sun, air composition, strength of gravity, etc.) on life. There are a few YouTube videos that I've found talking about how species could appear. Also, figure out how they got their appearance through both evolutionary and religious means - do they have antlers for greater sound perception, combat, or both? For example, Togrutas from Star Wars have huge hollow horns for heightened auditory/spacial awareness, specialized patterning for camouflage, and fleshy tendrils that can be used for communication. Just remember, in science there is a reason for everything.
    Thanks! We're glad this was helpful.
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  • Question
    What are some stereotypes about aliens?
    Community Answer
    Big-headed and green-skinned with big black eyes. Also that they are four feet tall and have three fingers.
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      Tips

      • Have fun while creating your alien.
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      • Keep developing and reworking your species until you get a group you like. Don't be disheartened if the results aren’t perfect the first time around.
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      • Try to think outside the box. Splicing together abstract and concrete ideas is a great way to make sure your alien is unique.
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      Tips from our Readers

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      • Decide on their home world and use it for design inspiration. If you decide to go for a jungle world, for example, you could make your alien green and purple.
      • If your alien is a warrior, you could give them a fictional or real-life weapon.
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      References

      1. ↑ http://www.writepop.com/writing/writing-realistic-aliens
      2. ↑ https://lithub.com/how-modern-storytelling-uses-aliens-to-talk-about-humanity/
      3. ↑ http://io9.gizmodo.com/5784971/how-to-create-a-scientifically-plausible-alien-life-form
      4. ↑ https://www.creativebloq.com/how-to/16-ways-to-draw-better-creatures
      5. ↑ https://www.writingforward.com/storytelling/12-character-writing-tips-for-fiction-writers

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