What is Waluigi’s backstory?

What is Waluigi’s backstory? Waluigi was created during the development of the game Mario Tennis, to serve as the bitter rival to Luigi and as a doubles partner for Wario. He was created by Fumihide Aoki and is voiced by Charles Martinet.

Waluigi was created during the development of the game Mario Tennis, to serve as the bitter rival to Luigi and as a doubles partner for Wario. He was created by Fumihide Aoki and is voiced by Charles Martinet.
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