Green Shellcreeper

Green Shellcreepers are enemies appearing in Mario Bros., a game include in the NES Classic Edition.

They appeared in a video on November 29, 2016 titled "33 YEAR OLD GAMES CONSOLE!!!".

History
The Green Shellcreepers are the most common enemy during Daniel Middleton's short playthrough of ''[https://en.wikipedia.org/wiki/Mario_Bros. Mario Bros]'', where they're defeated by jumping on the ground under them and then kicking them.