• under construction, please excuse it's informal appearance!

Artwork of Luigi in Mario Tennis: Power Tour

Luigi is a character in all Mario Tennis games. He is Mario's brother, and like him, he has well balanced stats in tennis matches. So far, he hasn't needed to be unlock, considering he's the second most famous character in the Super Mario series.
Luigi (Mario Tennis)

Luigi in Mario Tennis.

He wears a green hat and shirt, along with blue overalls.