Colonel Gumm
Batman villain
- Also known as
Appearances
- Batman '66 Meets the Green Hornet #1 — 2014-08-00
- Batman '66 Meets the Green Hornet #2 — 2014-09-00
- Batman '66 Meets the Green Hornet #3 — 2014-10-00
- Batman '66 Meets the Green Hornet #4 — 2014-11-00
- Batman '66 Meets the Green Hornet #5 — 2014-12-00
- Batman '66 Meets the Green Hornet #6 — 2015-01-00