[Name] Unicornitis [Source] Octodad: Dadliest Catch [Symptoms] 
A disease made up during a story told by Tommy and Stacy in the bonus episode "Medical Mess". Symptoms include a bright pink unicorn horn magically sprouting from the forehead, and the ability to fly. The only known cure is to purchase and use a set of jet-skis. Notable victims include Patient 203 and Octodad.