From SmashWiki, the Super Smash Bros. wiki
Korius (Japanese コリウス) is an East Japan Marth player and was maybe the best Marth player in Japan along with DISK from 2003 to 2007. He was fairly well-known to old-school players having been featured in one of Kizzu's Marth combo videos. He played with the White color set.
He recently became active in the scene again and is currently ranked 29th on the Japan SSBM Rank 2017.
Super Smash Bros. Melee