Muddy Mole comes from a beloved Gameboy title called Mole Mania. Being a retro character with a viable moveset a relevant due to his title being on the 3DS E-shop, Muddy Mole has a more than okay chance of getting in. He can't get stuck in the gournd making him more of a challenge for Smashers like Bowser and Donkey Kong.
<-A-> Run Head First
A ^ Upward Paw
A V Duck Down
B. Cabbage Pluck: Like the Pikmin Pluck, only it's a big cabbage that Muddy kicks at his opponent after plucking it.
<-B-> Barrel Roll: Muddy takes a barrel and rolls it along the ground until it hits someone or falls off the edge.
B ^ Paw from Below: Muddy digs into the ground and bursts up with a charged paw swipe.
B V Tunnel: Muddy tunnels underground to avoid getting hit by attacks. Handy for avoiding a final smash like the Mario Finale or Zero Laser.
Final Smash: Iron Ball
Muddy pulls up a giant iron ball, winds up his foot, and kicks it into everyone else, knocking them off the stage.