It evolves from Trollow starting at level 40, and evolves into Trollger when exposed to a Mystic Stone.
Trollows are only males.
Trollows are angry Pokemon. When they get upset they take out their anger on the nearest living thing. Pokemon Experts and scientists have tried studying why they get so upset.
Trollows live in dark and gloomy forests. They prefer quiet places and live alone. There eyes adapt so that they can see in the dark. It is only when they are feeling angry that they leave their forests.
Trollerk are mad tempered Pokémon, if you cross one in its territory, it will attack you immediately.