Callie is part of the very fashionable Squid Sisters pop idol duo, along with her cousin Marie, as well as Agent 1 of the New Squidbeak Splatoon.

One day, however, Callie wore something a bit different. She is now wearing a magenta beanie with a star on the right side, with a white short-sleeved sweater, a black bra underneath, and black short shorts. "Hey there, dude! What's up?"