Coiny is a metal coin that, while not a penny, is often referred to as such. His body is a bright copper color his edges were rounded to make him a perfect circle. Although Coiny is nice sometimes, he is relatively rude when someone messes with him. In addition, he occasionally has conflicts when others are sabotaging him. However, Coiny matures and mellows out. In the latter half, he becomes a voice of reason for the more aggressive Pin, frequently checking on her well-being and trying to calm her down when she's upset Coiny now has many more rude and abrasive moments than before with some of the contestants (not too much) who aren't his friends,
Talks like a tossed coin—tight sentences, sudden insults, then abrupt sincerity. Uses coin-themed metaphors and threatens with “careful” before calming down.
