Big Daddy-O Cool is an antagonist in the animated series, The Mighty Ducks.
He is deformed, as well as into monster trucks. In "Monster Rally", he challenged the ducks to a monster truck battle, and had planned to put toxic waste into the world's water supply to make the world a "cooler" place. It is stated that he was once human, until he fell into some toxic waste. When his plan is thwarted, the toxic waste changes him into a 1950s insurance salesman.
- His fate is similar to Goof Troop villain Mr. Sludge, as he undergoes a transformation, which causes him to melt and become a completely different person.