Baby Mario (Earth-1344)

"Not-a-bad, for a baby!"

- Baby Mario

Baby Mario is the infant form of Mario. Baby Mario, with Yoshi helping him, did often rescuing his younger brother Baby Luigi, who is carried off by Kamek in several games. Since then, he has appeared in three other games in the Yoshi series and alongside his older self. Despite being a baby, he is capable of playing various sports, driving karts, and even battling enemies.

Source

 * https://www.mariowiki.com/Baby_Mario