What is Wario's origin?

[CM30]

In universe anyway?

I know the games show him as a baby in Yoshi's Island DS and comment on him being friends with Mario as a kid, but who are his parents? Where was he before the events of Super Mario Land 2 anyway?

 

[Hotel Horror]

He killed his parents for the inheritance at just 3 months old.

 

[The 3rd Wario Brother]

While Mario and Luigi were working jobs in the early days of DK, wrecking crew, Mario bros. He was probably scamming panhandling and bullying his way into getting coins