A robot named Larry makes quite an impression in the new trailer for Jackass: Best and Last , first greeting Johnny Knoxville with a good ol’ punch in the nuts and later, torturing Steve-O with the purported “first robot prostate exam.” Watch the clip below. The trailer also features a shock collar stunt and “an escape room from Hell,” with each punishment worse than the last. As its subtitle suggests, this fifth  Jackass movie features a compilation of old, never-before-seen, and newly shot footage. In a February interview with Rolling Stone , Knoxville confirmed this would be the long-running franchise’s final film , saying it “is the natural place to end.” This came weeks after the Jackass star explained that he couldn’t participate in any stunts “where I can get another concussion.” He added, “I don’t care about anything else.…