Career
In October 1995, when Oizumi was still in university, he debuted as an entertainer through his portrayal of 2nd generation Genki-kun on the late-night program Mosaic nights aired on HTB. He was chosen after the program staff were searching for Mamoru Tanaka, the original Genki-kun, and Oizumi was introduced to the director by Ito Ayumi, the wife of Takayuki Suzui. Oizumi joined the entertainment agency Creative Office Cue directly after this.
Oizumi first made a name for himself in a Hokkaidō-based TV variety series How do you like Wednesday? and has been actively appearing on various media programs in Hokkaidō since then. Team-Nacs had run their first national tour with their 11th original play Composer during spring and summer 2005. After this, they held their 12th tour Honor in Tokyo, Osaka and Sapporo, through March to May 2007. In 2007, he provided the voice of Professor Hershel Layton in the puzzle video game Professor Layton and the Curious Village as well as its sequels and movie.
Along with the increasing popularity of How do you like Wednesday? and Team-Nacs not only within Hokkaidō but throughout Japan, he expanded his works in various fields by appearing on nationwide TV dramas and films, portraying character voices on animated films and releasing CDs as a singer. In addition to voice acting, he has also been active as a writer and painter.
He calls his fans "Koneko chan tachi", which means "kittens" in Japanese, although he does not like cats.
