Once you do so, you're free to create that comic book version of yourself to use in your snaps. Link your account with Snapchat and you're free to use the images with the social photo and video app. What's more, if the person you're sending the message to also cartooned themselves, you'll be able to use theirs as well. The Bitmoji are available for use in chats, too. Now there's one more way to spice up those disappearing messages with some personal flair.