Great grandpa jokes

Your hairline is so old, it’s more wrinkled than my great grandpa's penis.

People say my dad left me and was never successful, but if you search up who destroyed the Twin Towers, he will pop up.

Also, my mom's great grandpa killed Hitler.

My great grandpa killed Hitler.

When you find out your great grandpa killed Hitler.

What were my great grandpa's last words?

"SHIT MG42!!!"