John Oliver made a jab at the expense of Mel Gibson — and the actor’s father — on Sunday’s Last Week Tonight. The HBO late-night host recapped the news about Liz Oyer, a U.S. pardon attorney who wrote an opinion column for Rolling Stone last week theorizing about why she was fired from her job.

If you're not all that familiar with Mel Gibson's father, "Last Week Tonight" host John Oliver would definitely recommend checking out the man's Wikipedia page. The HBO host was simply stunned by it on Sunday night.

John Oliver took a jab at Mel Gibson after the news a high-ranking Justice Dept. attorney was seemingly fired for refusing to restore his gun rights.