He is also known for being the producer and soundtrack of "Batman: The Brave and the Bold " from 2008 to 2011, "Wonder Woman " in 2009 as a screenplay and story writer, the executive producer on "Thundercats " in 2011 to 2012, and as the supervising producer on "Be Cool, Scooby-Doo!" in 2015.
- Producer in "Elf: Buddy's Musical Christmas ".
- Producer in "Butterfly Blues".
- Script coordinator, story editor, and assistant story editor in "The Batman " TV series.
- Script coordinator and story editor in "The Batman vs. Dracula ".
- Script coordinator in "Jackie Chan Adventures".
- Assistant in "Men in Black: The Series".
- Writer in "DC Showcase: Superman/Shazam!: The Return of Black Adam".
- Writer in "Legion of Super Heroes ".
- Writer in "Ben 10" series.
- Producer of 2011 Thundercats series.
- He along with Aaron Horvath, admitted they never watched the entire Teen Titans original series, and merely watched selected episodes to get ideas for some Teen Titans Go! episodes.
- However, he and Aaron have experiences working on other DC animated projects.
- A cartoon version of Michael Jelenic made a cameo in "Let's Get Serious", "The Academy" and "Kabooms". He had a major role in "The Self-Indulgent 200th Episode Spectacular!".
- However, his design in the 200th episode slightly differs from the other design used in the previous two episodes he had appeared in.
- He has been nominated for one Pimetime Emmy.
- During the 2018 Teen Titans Go! panel at WonderCon, Jelenic mentioned the strong possibility of the original Teen Titans series making a comeback. He also mentioned that if he could make another series for DC, he'd like to make one about the Legion of Doom.
Episodes written by him
- Let's Get Serious
- Truth, Justice, and What?
- Oil Drums
- Video Game References
- Cool School (teleplay)
- Kicking a Ball and Pretending to Be Hurt
- Head Fruit
- Campfire Stories
- And the Award for Sound Design Goes to Rob
- The HIVE Five
- The Return of Slade
- More of the Same
- The Academy
- The Day the Night Stopped Beginning to Shine and Became Dark Even Though it Was the Day
- The Self-Indulgent 200th Episode Spectacular!
- The Power of Shrimps
- Monster Squad
- Real Orangins
- Quantum Fun
- The Fight
- The Groover
- The Chaff
- Teen Titans Roar!