Lemmy "Hip" Koopa

Lemual "Lemmy" Hip Koopa, the youngest son of Bowser, is a six year old Koopa. His personality can be ranged to be exceedingly immature to crazy, similar to Iggy.

Super Mario Legacies
In SMLG, Lemmy is 6. He can be extremely stubborn at times - fitting his age - and immature, preferring to play jokes and clown around rather than seriously help with Bowser's schemes. He is known to enjoy playing with his round, bouncy bouncing balls. He prefers to be around Iggy and Larry.

Hyena Hideout Kingdom
Hip is the twin brother of Hop, however he is a lot smaller. Hip also loves the circus. He wishes to grow up a ringmaster along with Big Mouth. Hip's personality seems all cute but when he sees someone he despises, he would show his aggressive side.