"He was such an insane salesman... He got a job at an insurance company before he started jumping and he broke all the records at this insurance company... He set it by... he may have been going to a mental institution selling the policy - but it's a record and it stands to this day." Jackass star Johnny Knoxville unearthed some fascinating stuff about his hero Evel Knievel while researching the stuntman's life for new documentary Being Evel.