Every day, the Turmaculus is awake for one random hour. During this hour, you can wake him up by clicking on any of the choices (hit with pots and pans, scream, etc.) but the choices have no affect...
The times that Turmaculus wakes up are random, but some users and fansites have guides and charts that help predict the times that Turmaculus, or Turmy, awakens so that you can be rewarded. But...