A mascot game can be radically different in its theme. 
Bonus info reward: The Japanese shopkeeper had a massive rack, so the US version changed it to...a mummy? Sorry. Mummy? sees us take charge of a hat-slinging little vampire. I gotta say, for a pretty small game, they've packed a lot of activities into this action role-playing game. The art is also super bubbly and fun.
The Twisted Tales of Spike McFang
Bonus info reward: The Japanese shopkeeper had a massive rack, so the US version changed it to...a mummy? Sorry. Mummy? It's a little derivative, but who among us hasn't tried to copy the best Zelda game, A Link To The Past? A weird quirk is that the US version was lightly alerted to be harder than the Japan release. Of course, Europe didn't get to enjoy this beauty 😔