TV Shows (As Crew)
Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate agesSupergirl
J. M. DeMatteis was
61+ in Supergirl
as 'Thanks'.
First Air Date
Mon, Oct 26 2015
The Flash
J. M. DeMatteis was
60+ in The Flash
as 'Thanks'.
First Air Date
Tue, Oct 07 2014
Teen Titans Go!
J. M. DeMatteis was
59+ in Teen Titans Go!
as 'Story, Writer, Teleplay'.
First Air Date
Tue, Apr 23 2013
Young Justice
J. M. DeMatteis was
56+ in Young Justice
as 'Characters'.
First Air Date
Fri, Nov 26 2010
Sym-Bionic Titan
J. M. DeMatteis was
56+ in Sym-Bionic Titan
as 'Writer'.
First Air Date
Fri, Sep 17 2010
Ben 10: Ultimate Alien
J. M. DeMatteis was
56+ in Ben 10: Ultimate Alien
as 'Writer'.
First Air Date
Fri, Apr 23 2010
Legion of Super Heroes
J. M. DeMatteis was
52+ in Legion of Super Heroes
as 'Writer'.
First Air Date
Sat, Sep 23 2006
Justice League Unlimited
J. M. DeMatteis was
50+ in Justice League Unlimited
as 'Teleplay, Writer'.
First Air Date
Sat, Jul 31 2004
Earth: Final Conflict
J. M. DeMatteis was
43+ in Earth: Final Conflict
as 'Writer'.
First Air Date
Mon, Oct 06 1997
Spider-Man
J. M. DeMatteis was
40+ in Spider-Man
as 'Writer'.
First Air Date
Sat, Nov 19 1994
The Real Ghostbusters
J. M. DeMatteis was
32+ in The Real Ghostbusters
as 'Writer'.
First Air Date
Sat, Sep 13 1986
The Twilight Zone
J. M. DeMatteis was
31+ in The Twilight Zone
as 'Writer'.
First Air Date
Fri, Sep 27 1985