Poliwrath

Attacks

Split Spiral Punch · 30
Your opponent’s Active Pokémon is now Confused.
Wake-Up Slap · 80+
If your opponent’s Active Pokémon is affected by a Special Condition, this attack does 80 more damage. Then, remove all Special Conditions from that Pokémon.

Its percentage of body fat is nearly zero. Its body is entirely muscle, which makes it heavy and forces its swimming prowess to develop.