The President oversees everything on Planet Miracle. During the Miracle Light reconnaissance​, he explains to Piton about the Miracle Light's legend

Hoshina Hikaru and three other Star Twinkle Precures gaze at the sky and end up warping into the Miracle Planet.

He is best known as half of the TV comedy duo Bakusho Mondai along with Hikari Ota. 

He also played Mike in the Japanese dub of the Pixar movie Monsters, Inc. and Br'er Fox in the Japanese dub of the Disney movie Song of the South (special edition). 

Tanaka was diagnosed with testicular cancer in 2010, but was successfully treated following surgery.

(Source: Wikipedia)