One of Nintendo's most prolific creators, Koizumi has worked on every major Mario 3D platformer the company has made, acting as assistant director on Super Mario 64, director of Super Mario Sunshine ...

Motokura recounts meeting with Shigeru Miyamoto who spoke of DK's "unique actions" like the hand slap, and Koizumi, who directed Donkey Kong Jungle Beat, felt that Donkey Kong's "longer, stronger arms ...