South Park Tenormans Revenge

Each character have their own Superhero alter-egos and have power ups that can be found throughout the levels. They are:

Cartman: The Coon, leap you way up vertical walls.
Stan: Toolshed, look for special tiles to drill through.
Kenny: Mysterion, can be resurrected as a ghost and walk through things that would otherwise kill you.
Kyle: The Human Kite, glide your way across the sky to unreachable places.

Use each of them once to unlock the achievement.