Why Doubt the Professor's Puns?

Professor Punsley's Ponderings: A Collection of Puns so Prolific, so Ponderous, you'll be Pundit-ly Confused.

Why do people doubt the Professor's Puns? Well, let them try to resist the allure of:

• Pun-tastic Puns
• Double Entendre
• Pun-filled Puns-fest