A Cheep Cheep is a type of fish in the Mario Series.They first appear in Super Mario Bros. There is a trophy in Super Smash Bros Brawl.
Super Smash Bros Brawl Trophy
A round fish with big eyes. Although mainly aquatic, Cheep Cheeps sometimes attack above land like flying fish, at which point Mario can stomp on them. There are a wide variety of Cheep Cheep variations, including spiked ones and enormous ones.