Who did The Miz lose his first championship to?

Former WWE Champion The Miz suffered his WWE Championship loss to Bobby Lashley on RAW.

In 2004, Mizanin appeared on the Bravo reality show Battle of the Network Reality Stars where he came second.

Mizanin has won the WWE Championship twice, the Intercontinental Championship eight times, the United States Championship twice, as well as a total of eight tag team championships.

Mizanin became WWE’s 25th Triple Crown Champion and 14th Grand Slam Champion. He also won the 2010 Money in the Bank ladder match.

Mizanin first gained fame as a reality television participant and appeared on The Real World: Back to New York in 2001.

Mizanin reached the final of Battle of the Network Reality Stars, winning a Reality Stars-themed episode of Fear Factor in 2006.

Mizanin is the only WWE Triple Crown and Grand Slam champion to have won the Deep South Wrestling Heavyweight Championship. Mizanin was ranked No. 1 on Pro Wrestling Illustrated’s annual PWI 500 list that same year.