Deep-Cheep is a variant of Cheep-Cheep that first appears in New Super Mario Bros. and reappears in the sequel:
New Super Mario Bros. Wii. They are green in color and resemble their original counterpart,
but they will charge straight toward Mario. They will give up if Mario manages to swim safely away from them. Like Cheep-Cheep, Deep Cheeps also have a large version known as Mega Deep-Cheep. The deep cheep appears to be essentially a cheep-cheep with a green body, Not to be confuzed with the cheep-cheep's green counterpart which is very simular looking to the deep-cheep, But won't run after mario. The deep cheep appeared seemingly in all new super mario bros games until abruptly dissapearing in the newest one.