サカナクション
Sakanaction (サカナクション) is a Japanese rock band from Sapporo, Hokkaido, Japan. Their music is a mix of alternative rock, electronic, pop, and New Wave styles, and is thus difficult to classify under one category. The band consists of five members: Ichirō Yamaguchi, Motoharu Iwadera, Ami Kusakari, Emi Okazaki, and Keiichi Ejima.
They are enjoying increasing popularity, hitting mainstream success with their records clinching positions within the Top 10 on Japan's Oricon charts.
More information: http://en.wikipedia.org/wiki/Sakanaction