Super Beaver (stylized as SUPER BEAVER) is a Japanese rock band formed in 2005. They are most well known for their song Shinkokyuu (深呼吸), which was used as an ending theme for the fifth season of Naruto Shippuden. The band published their first mini album in 2008 under the indie label Rebelphonic, which sold fairly well. Their first two mini albums were sold exclusively at Tower Records. (Source: Wikipedia)