Snorlax

Its stomach can digest any kind of food, even if it happens to be moldy or rotten.

Toss and Turn (30+): This attack can be used even if this Pokémon is Asleep. If it is, this attack does 90 more damage.

Swallow (50): Heal from this Pokémon the same amount of damage you did to your opponent's Active Pokémon.