Regirock is a legendary Rock-type Pokémon from the Pocket Monsters series. It is one of the ancient titans known as the Legendary Titans, created from mysterious stone and sealed away in a tomb. Regirock is portrayed as a powerful, silent guardian with immense physical durability and strength. In the series, it often appears as a formidable wild Pokémon or special encounter rather than a recurring character, and it serves as an imposing symbol of ancient power and mystery.