Missing 10-Month-Old Male Cat, Gray Mark

10-month-old male not neutered. May run from strangers but may warm up to them with food or consistent socializing. He has a small gray mark next to his nostril. His name is Rudy but I call him Rudy Tudy Stankin Booty, Rudin Tudin, Stankin Booty, but he knows them all. Our roof has a hole in it and he escaped through that.