"Just remember to pay ol' Man Mcgee his dues!" (using terse air quotes around Ol' man McGee, insinuating that this person is old, crotchety and greedy)
"Oh
look at that old man dog, he's so cute!
Look at me, I'm ol' man Mcgee!" (said while playing with the dog using
affectionate dog speech)
"Hey kids, I'm ol' man McGee, stay off my lawn or I'll cane ya!" (said in an Adam Sandler comedic pitch)