- Zach Tyler Eisan once jokingly said in an interview that he would cast Mike as Aang if they ever made a live-action film of Avatar.
- He appeared in a Nickelodeon segment where he talked about the southern praying mantis style of Martial Arts for the character Toph on Avatar the Last Airbender.
- Prior to the airing of the second season of Avatar, Mike said in a Nickelodeon commercial that his top three favorite episodes of Avatar are (in reverse order): The Storm, The Blue Spirit and The Siege of the North (Part 2).
- Mike, along with other Avatar the Last Airbender co-creator Bryan Konietzko, appears in a Nickelodeon segment called Secret of the Firenation: Storyboard in which they give fans a behind-the-scenes look on how the show is made.
- He lives in Los Angeles, CA.
- His own animated short, Atomic Love, has been screened at a number of high-profile film festivals, including Sundance. It also airs sometimes on the Nicktoons Network between show breaks.
- He was a judge at the 2nd Annual Nextoons: The Nicktoons Film Festival.
- He and other co-creator, Bryan Konietzko, traveled to China for inspiration on their show Avatar the Last Airbender.
- He spent 12 years at Film Roman, one of the top schools in the country.
- Mike wrote the first animated short named School Time Shipping, which first appeared on the Nickelodeon website in February 2007.
- Mike was a guest at the Pacific Media Expo 2006 in Los Angeles, CA.
- Mike will direct the season 2 finale of his show Avatar: The Last Airbender. This marks the first time he will direct an episode of this show, which he is co-creator of.
- Mike, along with Avatar: The Last Airbender co-creator Bryan Konietzko, appears in a new Nickelodeon segment "Ask the Avatar Creators," in which they answer questions fans of the show have about the Nicktoon.
- Michael has appeared in a Nickelodeon "Inside the Nicktoons Studio" segment, where he was filmed drawing the character Aang from his show Avatar: The Last Airbender.
- Mr. DiMartino has appeared in several Nickelodeon "shorties" for his Nick show , including the "Behind-the-scenes" segment, which aired before the show premiered.
- Mike has directed several episode of Family Guy.
- Mike: (referring to Avatar Season 3) Book three is all mapped out, and much of it is written. We're excited about it, and we know the fans will be, too!
- Mike: The current Avatar story will culminate in an epic battle between Aang and the Fire Lord at the end of book three.
- Mike DiMartino: There are lots of new developments in Season 3, but they are all top secret! But the fans will not be disappointed.
- Mike DiMartino: (referring to Avatar production) So you know, I'm pitching out stories one day, or writing a script, and Bryan is painting backgrounds or just running around.
- Mike DiMartino: (referring to animation companies) We didn't want it so that we just send the stuff over there, like a factory situation, we wanted to be creatively involved on their side of things too.
- Mike DiMartino: (referring to Avatar the Last Airbender Cast) We have found a group of great, young actors who really latched onto the characters and really brought them to life.
- Mike DiMartino: I would want to be an Airbender.