Party Time Chica is a mascot suit that debuts in Five Nights at Freddy's: Secret of the Mimic as a suit that the Mimic wore.

She is an entertainer of Chica's Party World by Chica's Restaurants, a company that contracted Murray's Costume Manor to make her costume, with designs by Fiona Murray and the suit by Edwin Murray. Party Time Chica is now owned by Fazbear Entertainment, Inc..

https://freddy-fazbears-pizza.fandom.com/wiki/Party_Time_Chica