Clerk: "Yes, sir. What size does your alligator wear?"
or
"A complex world demands complex hair."
or
Seven months old.
or
Billllyuns and billllyuns. Light bulbs are part of the interstellar "goo" that pervades our universe; they are star stuff.
or
Three skunks fighting over a pickle
First dog: My master calls me Furball. How about you?
Second Dog: My master calls me Sitboy
or