OLM

OLM Inc., also known as Oriental Light and Magic, is a Japanese animation studio who has animated various Pokémon anime and OVAs in addition to anime adaptations of To Heart, Disgaea and more.

Pokémon works by OLM

 * Pokémon (Main Anime).
 * Pokémon Black 2 and White 2 Animated Trailer.
 * Pokémon Origins (Episode 4).
 * Pokémon Generations.