Wave the Swallow

Wave the Swallow (or simply Wave) is an eighteen-year-old swallow and the mechanic of the Babylon Rogues. She plays her most prominent roles in the Sonic Riders series.

Super Smash Bros. Brawl
Wave's artwork from Sonic Riders makes an appearance on a sticker in Super Smash Bros. Brawl. In The Subspace Emissary, the sticker boosts the user's arm attack power by 19 points.

Mario & Sonic series
While Wave makes no appearance in the games prior to the fifth installment, she has a Mii costume based on her in Mario & Sonic at the London 2012 Olympic Games and Mario & Sonic at the Sochi 2014 Olympic Winter Games.

She makes a playable appearance in Mario & Sonic at the Rio 2016 Olympic Games. This is her only physical appearance outside of the Sonic Riders series.