Salvo the Slime

Salvo the Slime is the boss of World One in the game Super Mario World 2: Yoshi's Island. Salvo jumps at you but is completly harmless. The only problem is the smaller slimes that break off when you egg him...and the lava pit. Toss eggs at him enough times and you'll win.

Salvo makes a surprise appearance in Bowser's Castle at the end of World 6 as a sub-boss.