Alarm Cat is presented as Princess Bubblegum's alarm clock. You can see it in the episode named Sky Witch and again appeared in Come Along With Me as part of the many Easter Eggs found in BMO's home. The pink cat itself appears to be half of a cat attached to a spring. The rest of its clock body appears to have two dials, painted on cat paws, a ticking cat tail, and a glass window for the to appear out. Adventure Time cursor pack with Alarm Cat fanart cursor.
