Jeremy Birnbaum is an occasional antagonist in the Disney XD show Star vs. the Forces of Evil. He is a little kid, who is spoiled rich and arrogant. He picks on Marco Diaz a lot.
Due to his family being wealthy, Jeremy has an arrogant spoiled personality and likes to bully Marco at the dojo and at Echo Creek Academy.
Jeremy also knows of Marco's crush on Jackie-Lynn Thomas and will even threaten to tell her about it, much to Marco's chagrin.
- Jeremy is Marco's rival as Brittney Wong is Star's rival.