This is the Tiki Mug used by Dr. Alfred Necessiter played David Warner. There is a funny story behind this mug. This mug was a prop masters personal mug who worked on a different film, and one day the prop master from The Man with Two Brains came into his office and said, "hey can I borrow your mug." So he lent it to him not knowing what it was used for until the movie came out.
