Her babies! Kevin's a girl?Russell realizing Kevin's gender Kevin is the female tritagonist of Disney•Pixar's 2009 animated feature film, Up. She is a giant, South American bird and the main target of Charles Muntz. Due to his mistake of determining her gender, Russell named her "Kevin" after they met. Despite not being able to talk, Kevin has a very strong personality. Like most animals, she is friendly to those who have been friendly to her, but she will act hostile when she felt…