Darkly tanned with black eyes. His facial markings are yellow while his stomach is pale yellow. His feet and wristbands are dark brown. His loincloth/apron is white and his hair is red. He's the recolor of Undy.
Tanbo can be rarely found on the 3rd floor of the school (check the Library or the Music room). He can also be freed from the Crank-a-kai with a Red Coin in the past as well as through the gates of whimsy.
Quotes
Befriended: "YEE-haw! That was awesome! You! Be my friend!"
Loafing: "Good grief..."
Being traded:"Need a ride? I'm by your side! C'mon now. Let's be friends!"
Receiving food (favourite): "Ah, nutritious!"
Receiving food (normal): "It's all right..."
Receiving food (disliked): "Don't need that."
Freed from the Crank-a-kai (YW2): "Yee-HAW! I'm out! Let's be friends!"
Etymology
"Sakigakenosuke" combines sakigake (魁, "charging ahead") and suke (助, common ending for male names).
"Tanbo" comes from tan, and is possibly a corruption of tan boy.
Trivia
Tanbo's "random" nicknames in Yo-kai Watch 2 are: Sunshine, Jeff, Sarge, and Leonidas.