Ms. Bitters has appeared in 20 comics since 2001. The most recent cataloged appearance dates to 2021. Most cataloged appearances come from Invader Zim.
Oni Press
5 issues
4 issues
50 issues
1 issue
Nickelodeon
47 issues
Invader Zim (2017)
Sep 29, 2021
Invader Zim Quarterly (2020)
Mar 17, 2021
Invader Zim (2015)
Mar 18, 2020
Jul 17, 2019
Feb 27, 2019
Jan 02, 2019
Nov 28, 2018
Jul 18, 2018
Jun 27, 2018
Feb 14, 2018
Dib Membrane
Zim
GIR
Gazlene Membrane
Membrane
Minimoose
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