John Seamas Gallagher is a freelance concept artist and illustrator from Yuba City, California. John has created character, creature and environment designs for major game titles including 2K’s Bioshock 2 and Crystal Dynamics’ Tomb Raider: Underworld.

Link: seamassketches.blogspot.com

John Seamas Gallagher 02a

John Seamas Gallagher 01a

John Seamas Gallagher 12a

John Seamas Gallagher 03a

John Seamas Gallagher 09a

John Seamas Gallagher 11a

John Seamas Gallagher 05a

John Seamas Gallagher 14a

John Seamas Gallagher 08a

John Seamas Gallagher 07a

John Seamas Gallagher 13a

John Seamas Gallagher 04a

About Us

Concept Art World is a leading online resource dedicated to showcasing the best in concept art, illustration, and visual development across the entertainment industry. We feature high-quality artwork, artist spotlights, tutorials, and industry news. CAW is a trusted resource for creative professionals and aspiring artists in film, gaming, animation, and beyond.

All images are © by the artist(s) or their respective copyright holders. Any training of AI systems using this content is strictly prohibited.

© 2026 Concept Art World All Rights Reserved