Robert Kellum (born January 26, 1973) is an American professional wrestler and actor, best known for his appearances with World Championship Wrestling under the ring name The Maestro.

Kellum also won the ACCW title for a second time in a rumble match in Wilmington, North Carolina and later feuded with Cold Cash D, Flex Phenom and Dave Renegade.

Kellum became a two time NACW champion feuding with "Mr. USA" Tony Atlas, Ricky Morton, Jake Roberts, Carnage, and Brad Hunter, leader of a faction called "Damage Inc." along with Main Attraction and Rico Rage.

Facing his former tag team partner Lodi at PPCW in Conway, South Carolina, Kellum also won the SCW title in Dayton, Ohio.

Stro won the WCEW title and feuded with Magnum T.R., Ali Steele, Ouga Booga, Justin Feeche, Bobby Eaton, and Aaron Devil.

With "Mr. USA" Tony Atlas, The Patriot and Ranger Ross, he feuded with Ivan Koloff and The Russian Army in late 2005 as well as defeating The Barbarian at the Ricky Morton Benefit Show on February 2, 2006.

In American Coast Professional Wrestling, Kellum feuded with female wrestler "The Queen of Pain" Naudia, facing her in a series of intergender matches during 2005 and 2006.

In June, he made his DSCW debut in Supply, North Carolina, and, that same month, Kellum and Lord Everett Devore formed a tag team known as The Classics.

On September 28, Kellum joined long time heel stable the Fourth Alliance along with Stan Braddock, Sean Cruise, and Cletus Bass.

On March 15, 2009, Princeton, West Virginia, Stro defeated Jason "The Gift" Kincaid to become a two time NWA-Mountain State Wrestling heavyweight champion.

On November 21, 2009, Mullens, West Virginia, Stro defeated "Dynamite" Derik Billings and "King" Richard to become a three time NWA-Mountain State Wrestling heavyweight champion.