Karin, known as Korin in some English localizations, is a wise, immortal white cat who lives atop Korin Tower in the Dragon Ball series. He serves as a mentor and caretaker, guarding the Sacred Water and later the Senzu beans, which are vital for healing and training. Karin often tests Goku and other fighters, offering guidance, insight, and support rather than direct combat. His role is that of a spiritual guardian and helpful ally, contributing wisdom and resources that aid the heroes throughout the series.