- The Bible: As an illustrator and comic book artist focused on biblical stories, Gryder's work is rooted in the narratives and themes of the Bible, which serve as a guiding inspiration and source material.
- Renaissance art: Gryder cites the Old Masters, such as Michelangelo and Raphael, as influences. He admires their use of perspective, composition, and attention to human anatomy.
- Comic book art: Gryder grew up reading comic books and has found inspiration in the works of artists like Jack Kirby, Jim Lee, and Dave McKean, appreciating their dynamic storytelling and ability to visually capture characters and action.
- Contemporary artists: Gryder follows the work of modern artists such as Alex Pardee, David Mack, and Mark Schultz, who use a range of techniques and push boundaries in their art, offering ideas for experimentation and personal growth.
- Storytelling and character design: Gryder's background as a storyteller has influenced his artistic style, as he places emphasis on creating memorable characters, conveying emotions, and effectively using visual storytelling techniques.
- Technology and digital art: Gryder is adept at using both traditional and digital art tools. Digital technology has allowed him to explore new possibilities, techniques, colors, and lighting, all of which have contributed to the evolution of his art style.