History of character has not yet been written.
- Zeta was voiced by Gary Cole for his first appearance in Batman Beyond and Diedrich Bader from his second appearance in that series and The Zeta Project. In the later series Eli Marienthal and Scott Marquette voiced the holographic disguise of "Young Zee" or "Kid Zee" and Greg Eagles voiced the holographic disguise of "Old Man Zee".
- 6 Appearances of Zeta (DCAU)
- 1 Images featuring Zeta (DCAU)
- Quotations by or about Zeta (DCAU)
- Character Gallery: Zeta (DCAU)
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