Fabian

• Fabian is a minor character in twelfth night
• Fabian is one of Olivia's servants who enjoys a joke or a prank
• Fabian often joins in when Sir Toby gets drunk
• Fabian is involved in the revenge scheme against Malvolio
• Fabian's willingness to go along with every prank proposed suggests he loves pranking for the sake of pranking, possibly to a dangerous degree