Wario's partner & possible younger brother (though this is unclear) & Luigi's lanky rival.

Waluigi is a tall man standing at 7'7, with his posture having him hunched over & with his knees bent when standing. He has a narrow face with short brown hair, pointed ears, a pointy pink nose, a black pointy thin W-shaped mustache & has blue bags below his eyes.

His usual attire consists of a purple cap with a white circle patch on the front containing a yellow "Γ". He also wears a purple long-sleeved shirt with black overalls, pointed orange shoes, & white gloves, both containing a yellow "Γ" on the backhands.

Waluigi is a boastful, ill-tempered foil to the more humble & gentle Luigi. He has bad chemistry with most other people besides Wario, & is an openly rude, mean-spirited troublemaker. He has a perpetual scowl, is quick to anger, & dislikes others being happy. Just like Wario, Waluigi seeks to become as popular & as beloved as the Mario Brothers. Waluigi possesses a self-aggrandizing nature, vanity, & overconfidence. Despite this, he possesses great amount of self-pity, feeling that good things are always happening to others and not to him, causing him great frustration.

Waluigi has been shown as quite secretive about his personal life. He also has a more cynical & skeptical point of view than others.

Waluigi possesses: Superhuman strength, superhuman agility, dancing skills, & mastery of sports such as playing tennis, kart racing, etc.. He can also be charismatic, cunning, scheming & occasional Intelligence.

His hobbies are: Antagonizing Luigi, working with Wario & drinking his homemade broth made from loose cream, napkin squeezings, & ketchup water.

His goals are: To take over the world, defeat Luigi to become superior than him & to get Princess Daisy to love him.

Waluigi's crimes include: Theft, attempted hegemony, attempted usurpation, brainwashing, cheating, fraud, vandalism, aiding & abetting, & attempted murder.