Ozzy Osbourne says he's indebted to Robin Williams because of how kind Robin was when Sharon was diagnosed with cancer back in 2002.

According to blabbermouth.net, Ozzy said:

I'm forever in debt to Robin Williams, because when Sharon was diagnosed with colon cancer, I'd seen the film 'Patch Adams' and it was a very… I don't know if you ever saw that film he made; it's about a guy who was a male nurse or something in a hospital and he was working with terminal people, and I thought, what a great thing to do, and he's a very funny man, Robin Williams.

Ozzy said he got his agent to contact Robin and ask if he'd be so kind as to come around and talk to his wife, which he did.

And in Robin's usual style, he ended up making Sharon laugh hysterically.

Sharon says she was in bed, half asleep and 'woozy' from the meds and suddenly there was a knock on the door and there was Robin Williams standing in front of her.

"Well, I thought I must be dreaming. In fact, I thought I was hallucinating from the drugs I'd been given! I couldn't think of what to say, so I said, 'Does Ozzy know you're here?' Then Robin got in bed with me and said, 'Shhh! No, he doesn't, and don't tell him!'

Sharon added she started laughing hysterically and then for the next two hours, he just cuddled her. :-)

Sharon tweeted yesterday that "the entire Osbourne family is grieving the loss of a kind, funny, generous and talented man."

She also said, "He was just the nicest, most giving guy in the world — he did so much for me."

And Ozzy said, "Forever and a day, I will love that man."