Tonya Cooley first appeared on MTV in the “Real World: Chicago” back in 2001. She’s since kept her 15 minutes of fame as a regular on the channel’s “challenges” most seasons, but her recent one may be her last. The reality star has filed a lawsuit against MTV, the production company and several male cast members, alleging “took another male participant’s toothbrush and rubbed the toothbrush around plaintiff’s genitals, including rubbing her labia and inserting the toothbrush into plaintiff’s vagina.” Pretty serious allegations. Details below. Marisa Mendez