R. G. Mathieson
A minor but intriguing piece of Marvel's mid-nineties tapestry, R. G. Mathieson made their debut in The Secret Defenders #17 in 1994 — a title that thrived on the era's appetite for unconventional rosters and shadowy adventures. Created by Tom Brevoort, Mike Kanterovich, and Jerry DeCaire, this character shares their pages with a genuinely eclectic cast that includes Doctor Druid, Domino, and Strange, which speaks to the wonderfully offbeat corner of the Marvel Universe they inhabit. Though appearances in the catalog are rare, the fact that Mathieson's footprint stretches across collections tied to some of Marvel's most cult-beloved properties — including Deadpool retrospectives — makes them a satisfying discovery for deep-dive readers who love unearthing the supporting players that give a universe its texture.

Top series
Covers through the years — 1994–2021
1994
2017
2021 

