Shyster's notable feature is its secret filter mouth, resembling lips. It's the only cell that possesses this filter mouth. It possibly a female version of the Spiked Shyster. It will make a "hahaharereroererereehreea", "eek hahaha" or other noises when hit. When it is small, it makes a similar noise, "hihihihihihiihiihiireereereereeree".