Sumodon evolves into Yokozudon when fused with a Vintage Parasol.
A food-based Yo-kai that is a red bowl of noodles and broth, with a pair of tentacle-like arms and human legs. He is wearing a simple purple mawashi like a sumo wrestler, and has a pair of pink narutomaki resembling cheeks. He also has a cinnamon stick and a egg sunny-side up on top of his head.
Sumodon can be found only when using a Traveller's Coin South, which has two different ways to obtain. One is with a Japanese-only Sumodon or Yokozudon Yo-kai Watch: Tomodachi Ukiukipedia card and with a series of 15 Passwords that can both be entered at Piggleston Bank for coins. The coins can be used to get Sumodon from the Crank-a-kai.
Receiving food (favourite):
Receiving food (normal):
Receiving food (disliked):
Freed from Crank-a-kai: "Would you like to wrestle? Or be my friend? Hint: You can say both!"
Sumoudon is a combination on the words "Sumo" and Udon, a type of noodle.
Sumodon is simply "Sumoudon" with the "u" removed.
Sumodon's "random" nicknames are: "Noodles", "Rikishi", "Morty", and "Bowler".