Koko is perhaps the best known gorilla in the world because of her sign language and artistic abilities, her relationships with kittens, and a considerable amount of worldwide media since she was a baby. However, Koko is not the only gorilla that has mastered sign language (and art) — she has grown up with several equally interesting (and intelligent) friends. In this section, we introduce you to Koko and her extended family at The Gorilla Foundation, and contrast these “enculturated” gorillas with gorillas around the world.