Booker T
The former World Champion, Booker T, was suspended twice in 2007 for periods of 30 and 60 days for Wellness Policy violations. Booker tested positive for drug intake and thus he suffered this suspension. Booker T has served as the GM of SmackDown and also worked as a commentator for the company.
Booker T has the respect of the WWE Universe but the suspensions in 2007 will always haunt him. Not to forget that Booker T has accomplished a lot in the WCW as well.