Alteration jokes

What's the difference between vitiligo and plastic surgery?

Vitiligo doesn't alter facial features.

How many altar boys does it take to screw in a light bulb? Depends on how dark the priests' basement is.

Satan and the devil are alter egos.

Why is that kid walking like that? Oh, he's an alter boy.

How do you get a nun pregnant? -- Dress her up as an alter boy.