ZOT
| Date | Clue |
|---|---|
| 2016-05-28 | Sound effect in the comic "B.C." |
| 2015-06-12 | "B.C." sound effect |
| 2014-08-16 | "B.C." sound effect |
| 2013-11-23 | Sound in the comic "B.C." |
| 2010-06-18 | Sound from the anteater in "B.C." |
| 1998-05-13 | Recurring sound effect in the comic "B.C." |