Who came first Wario or Waluigi?

Who came first Wario or Waluigi?
Waluigi

Residence
Diamond City Wario’s Castle Mushroom Kingdom Waluigi’s Island

Friends and Allies
Wario

Rivals
Mario Luigi

First Appearance
Mario Tennis (N64) (2000)

Waluigi
Residence Diamond City Wario’s Castle Mushroom Kingdom Waluigi’s Island
Friends and Allies Wario
Rivals Mario Luigi
First Appearance Mario Tennis (N64) (2000)