Hoang primarily plays Marth in Melee and is credited for pioneering several gameplay techniques integral to the game's competitive play, including the "dash dancing" movement technique and the "Ken Combo", an effective Marth combo for which he is the namesake.

Hoang possesses the highest major tournament win-to-loss ratio of any Super Smash Bros. Melee player from 2003 to 2007.

Hoang started playing Super Smash Bros. when it was released for the Nintendo 64, but never competed in an organized tournament for the game, due to a lack of a widespread competitive scene at the time.

When Super Smash Bros. Melee was released for the GameCube, Ken initially did not enjoy it, but the game grew on him after a period of a few months.

They won every doubles tournament they entered until MLG Chicago in July 2006, where they were defeated by Azen and Chillindude829 in the finals and received second place.

He traveled to Japan several times and defeated top players such as Aniki, Captain Jack, Masashi, Bombsoldier, Korius, and Mikael in the summer of 2005 and 2006.

[16] On March 18, 2014, Team Liquid announced that Hoang and KDJ would be joining their new Super Smash Bros.

[1] Hoang was chosen to join the Fang tribe in the first episode when Danny "GC" Brown picked him.

He formed an early bond with fellow Fang castaway Michelle Chase,[23] who ended up being the first person voted off.

Hoang won the first immunity challenge for Fang, in which his puzzle-solving skills were pitted against physics teacher Bob Crowley of the Kota tribe.

[2] Ken attended California State University, Long Beach where he completed a Bachelor of Fine Arts degree in Illustration.