Ikuze! Gen-san
Genres: Comedy
Type: ONA, Episodes: 24
Aired: Mar 24, 2008 to Sep 1, 2008
Studio: Nippon Animation
Source: Unknown
Rating: G - All Ages
Synopsis:
The slapstick comedy centers on Genzō Tamura, a 19-year-old third-generation construction worker in the working-class neighborhood of Beranme. When the Kuromoku Group urban developers threatens the neighborhood with Chainsaw Mika and Dynamite Dan, Tamura must save his town with his trusty hammer.

Source: ANN