How does it get onto the ceiling in the first place? Does he fly up with his back scratching the ceiling, then do a half-barrel roll and grab hold with his legs? Or does he do a half of a loop and flares out when upside down to grab hold? We need some high speed photography from the Mythbusters guys to answer this pressing question.
Snuffy had a stroke about 10 years ago, hung on for a little while after that in a nursing home, and then passed away. RIP Snuffy. Photo, Snuffy on left.