A criminal mastermind, The Turtle based his crimes on slow motion
to counteract the Fastest Man Alive!
| Issue | Comment | Reprinted in |
| All-Flash #21 | 1st appearance, vs. the Golden Age Flash | |
| Comic Cavalcade #24 | vs. the Golden Age Flash | The Greatest Flash Stories Ever Told |
| Flash Comics #102 | vs. The Golden Age Flash | |
| Flash #201 | 1st SA appearance, vs. The Golden Age Flash | JSA Super-Spectacular (2000) |
| The Flash Vol. 2 #30-35 | with the Silver Age Turtle, vs. The Flash (Wally West) |