Blue Shell: Defender who will find you, no matter where you are on the field, and leave you upside-down and unsure of where you are.
Chain Chomp: Defensive prospect who can cover exactly three yards of turf in either direction very well, but not an inch past that.
Boo Buddy: A scary and fast safety who in fact cannot hurt anyone.
Koopa Troopa: A middle linebacker ideal for play in a Cover 2 scheme who is useless if his shell is removed.
Shy Guy: The white guy defensive lineman who kind of looks like a terrifying white supremacist, but who turns out to be an ideal teammate to everyone.