Sherri Bird is one of the local kids fighting against Fuse and his minions; she gives the player easy missions. She is called a bit of a coward by Buttercup during a mission in the Future. She is named after Sherri Glass who works on FusionFall and is presumably her voice actress. She is located in Sector V at the treehouse. She was originally one of the friends and neighbors of the Powerpuff Girls.