Dr. Jess is Marceline's owner. He thought Oggy stole Marceline, so he almost hit him. He appeared in A Dog Day Afternoon episode.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.