Primeape

“Always furious and tenacious to boot. It will not abandon chasing its quarry until it is caught.”

— Pokémon Red

“It stops being angry only when nobody else is around. To view this moment is very difficult.”

— Pokémon Yellow

“If approached while asleep, it may awaken and angrily give chase in a groggy state of semi-sleep.”

— Pokémon Gold