UNCA
| Date | Clue |
|---|---|
| 2015-04-02 | Donald Duck, to his nephews |
| 2004-12-09 | Donald Duck, to his nephews |
| 2004-07-21 | Donald, to Dewey |
| 2003-08-09 | Donald Duck, to Dewey |
| 2001-10-06 | Donald Duck, to his nephews |
| 1999-04-11 | Donald, to Huey, Dewey or Louie |
| 1996-11-15 | Donald Duck, to Huey, Dewey and Louie |