Morse also illustrated the first six issues of Case Files: Sam & Twitch, a spin-off of the Spawn comic book series.
He has contributed to the graphic novels Cut My Hair (Oni Press) and Hellboy: Weird Tales vol.2 (Dark Horse) among others.
Morse's own graphic novels have been released through a variety of publishing houses, including Oni Press, Dark Horse, Top Shelf Productions and Image Comics.
Stine Goosebumps story The Abominable Snowman of Pasadena —one of three tales included in the volume Creepy Creatures— for Scholastic Press's graphic novel imprint, Graphix.
In the field of animation, he has worked as a character designer, storyboard artist, and art director for companies such as Disney, Universal, and Cartoon Network.