Hippocamp is a summonable creature from the game Tiny Castle.
Ah, the mighty Hippocamp! These strange creatures are a combination of horse, fish and man. When underwater Hippocamps are remarkably graceful; however, the tend to be rather ungainly on dry land. Despite this, Hippocamp Sprints are a popular pastime among adolescents, with points awarded for speed, daring and artistic merit.