Gengar

Gengar (Japanese: ゲンガー, Gengā) is a dual-type Ghost/Poison Pokémon introduced in Generation I. It is the final evolution of Gastly, evolving from Haunter through trade or by using a Linking Cord in Pokémon Legends: Arceus. Gengar has a round, dark purple body with pointed ears and short spikes on its back, along with a signature wide, sinister grin and red eyes. Known for its mischievous and sometimes malicious nature, Gengar enjoys hiding in shadows, absorbing heat from its surroundings, and causing the temperature to drop. Since Generation VI, Gengar can Mega Evolve into Mega Gengar, featuring changes such as a portion of its body sinking into the ground, the appearance of a third eye, and increased aggressiveness. In Generation VIII, it gained a Gigantamax form, a massive and eerie transformation with a giant mouth said to lead to the afterlife. Gengar is a popular and iconic Pokémon, appearing across various Pokémon media, recognized for its unique typing, cunning personality, and formidable strength.