The Jackass star says he had to begin taking medication 'for the first time' in his life
Jackass star Johnny Knoxville was lucky to keep his penis after the stunt left him badly injured
The bitter feud took place after Steve-O tried to negotiate a higher salary for himself
Johnny Knoxville has released a statement about his longtime friend's inclusion in the movie.
Johnny Knoxville and the rest of the Jackass crew will be back on 4 February
Jackass Forever will be the fourth instalment and Johnny Knoxville has introduced its newest crew members
The new Jackass film reunites Johnny Knoxville, Steve-O, Chris Pontius, Dave England, Wee Man and others
Knoxville is best known as the co-creator and star of MTV stunt show Jackass, which ran for three seasons between 2000 and 2002