Mary. Lied about her extramarital affair, still believed by billions.
Joan Rivers' embalmer.
The current US presidential election
You use a spirit level.
He made a grave mistake.
When he was told to "go big or go home," he only had one option. (I've posted this joke here before, but I believe I've been the first, so if you recognize it as a repost it's because I wanted to tell it again!)
Cat-holic
Mary had a little LAN
Jeez-its
Invest a billion.