I think I figured out how the avatar system works in The Amazing Digital Circus so I attempted to make one of Sin if she was in the show. Obviously this is all theory, but fun to draw nonetheless

Her name would be changed to Delta. I made her a porcelain doll with porcelain limbs to represent chronic pain and a bit of body dysmorphia. His limbs are fragile and will often crack or break in which he would have to find a replacement or fix them, the right leg breaks more often than not so it usually has a crack. He/She would constantly change her clothing to either be masc or fem and has a doll toybox that holds her extra limbs and clothes. She wears a mask that does not come off but the face of it will change depending on who she's talking to, representing masking. He's a cat because 'scaredy cat' for anxiety. Her limbs don't really match the rest of her cat features and she's never completely happy with them. Body and upper part of limbs is stuffed cloth body.

Sin/Delta © me