Charles Doyle "Charlie" Haas II is an American professional and amateur wrestler. He is best known for his appearances with World Wrestling Entertainment in the 2000s.
Haas was an amateur wrestler in high school, and attended Seton Hall University on a wrestling scholarship, before becoming a stockbroker. He became a professional wrestler in 1996, and teamed regularly with his brother, Russ, with the two winning numerous championships on the independent circuit, including the CZW World Tag Team Championship and the JAPW Tag Team Championship. After signing contracts with WWE, The Haas Brothers were assigned to WWE's developmental territories, where they won the MCW Southern Tag Team Championship on three occasions. After Russ' death in 2001 due to a heart attack, Haas began wrestling in singles competition, winning the HWA Heavyweight Championship once.
Haas formed a team with Shelton Benjamin and the two debuted on SmackDown in December 2002. They won the WWE Tag Team Championship twice, and dubbed themselves The World's Greatest Tag Team before they split in 2004. Haas won the WWE Tag Team Championship once more with Rico, and gained Miss Jackie as a valet.