From SmashWiki, the Super Smash Bros. wiki
Mr. Sir is an Smash 64 Samus main from MD/VA. He's considered to be one of the best Samus mains in the country along with Cobr and HAMMERHEART. Outside of being a strong Samus, he's also one of the founders of ENKKO, a company that creates new Smash 64 sticks for the growing community.
Super Smash Bros.