This is Vava the 2nd child or the middle child he has a older sister name Avocado(idk her name sorry) and a youngest sister name Karen and they are teasing his name and calling him "Kaka" even it's Vava and he is like invisible because no one pay attention to him and he gets mad when his family or anyone call him "Kaka"

Vava: When will my family stop calling me Kaka!!? There always like this!! Nevermind then if they call me Kaka one more time I swear I'm ganna teach them a lesson! A karma will go to them! Get it Family! MY NAME IS VAVA NOT KAKA YOU STUPIDDD KAPOPONANANAN