I wanted to confirm a detail about the Lion Hunt when I came across this piece at the Daily Mail from April of this year:

Simon Cowell’s most recent real estate investment is said to have come with the soul of a gay Roman. According to former-owner Christian Levett, the London property (which Simon purchased for £15 million to live in with partner Lauren Silverman and their five-year-old son Eric last October) is haunted by Antinous – the lover of Hadrian, the ruler of the Roman Empire from 117 to 138. Levett claims that he himself brought Antinous’ spirit into the home when he purchased a statue of him in 2014, inadvertently unleashing the Bithynian Greek’s spirit onto the property. ‘It was delivered in a crate,’ the hedge-fund billionaire said. ‘When I was locking up, I heard the sound of heavy objects being knocked over from the drawing room where Antinous was still lying in his box. The same happened the next two nights. But there was nobody there.’ A further source has also claimed that Simon, 59, believes this is more than just an urban legend. ‘Simon believes in spirits so he’s been freaked out by this story. I don’t think he was aware when he moved in. He might have to call a ghost-buster,’ they said.

While that does not really answer my question (thankfully I found the information here) it sure is a neat story.