Yumbly

Yumblies are small red creatures found in Bubblegloop Swamp in Banjo-Kazooie. They are used in the mini-game, Eat More Yumblies or Grumblies than Mr. Vile, where Banjo (as a crocodile) must consume more Yumblies and/or Grumblies than Mr. Vile. Eating 35 of them grants Banjo an Extra Life.