Koichiro Nishi (西 興一朗, Nishi Kōichirō; born October 17, 1979 in Ehime Prefecture) is a Japanese actor who is affiliated with CES. He played the role of Ryoga Hakua (Aba Red) in the 2003 Super Sentai TV series Bakuryū Sentai Abaranger.
Source: “Koichiro Nishi”, English Wikipedia (CC BY-SA 4.0), excerpt