HK-47
Cappy
Tell that to Mario or DK, Kirby’s platforming brethren. Luigi’s Mansion was already far more popular than Kirby by the second game (and I’m not sure what the connection between them is). Dark Moon sold over a million more copy than even the most successful Kirby.I’m crazy and voted 10+
3D sells better than 2D, and Luigi’s Mansion 3 is a 10 million+ game. I think it depends on quality and reviews. Five is probably the floor.