This security guard was only present at Trixie Tang's birthday party, where he carried a guest list, and also discarded of worthless gifts such as those brought by Chester and A.J. by throwing them into a burning fireplace. He also pulls a lever that activates a spring underneath Timmy Turner, ejecting him from the party when he tries to talk to Trixie.
He wears a dark blue suit, sunglasses, and has dark hair in a ponytail. By the style of the ponytail and the structure of his face, he is probably of Asian descent like Trixie, probably related.
Outside of his brief appearance in The Boy Who Would Be Queen, he does not appear on the show again, and his role as Trixie's bodyguard is replaced by the Bouncer or other similar looking unnamed security guards in later episodes.