Although BMO is genderless i like to think that BMO is a girl because in the episode called 'BMO lost' BMO finds a baby and acts very motherly towards it and also the bubble she like is Is a boy (I think) so that could mean BMO is a girl.
BMO
Although BMO is genderless i like to think that BMO is a girl because in the episode called 'BMO lost' BMO finds a baby and acts very motherly towards it and also the bubble she like is Is a boy (I think) so that could mean BMO is a girl.