Bmo is a small gender-fluid handheld game system capable of playing video games. They live in Finn and jakes tree house and often miss out on their adventures so bmo just does their own thing around the house or hang out with Marceline or talk to their reflection named football. Bmo is a naive happy person who often says random things and does random stuff you never really know what Bmo will do next. They’re willing to do anything even if it’s illegal as long as it’s fun