[1] Tumlinson attended Texas A&M University, where he originated the cartoon character "Ol' Sarge", who became an unofficial student mascot adorning the likes of stickers and coffee mugs decades later.
[1][3] Tumlinson then did military service in World War II, serving as a pilot for SHAEF, the Supreme Headquarters Allied Expeditionary Force.
Tumlinson had previously drawn an anthological Western story, "The Magic of Manitou", for Kid Colt, Outlaw #13 (March 1951).
[4] One story, "In the Dead of Night" by writer Hank Chapman and artist Tumlinson, appeared in issue #11 (Nov. 1951) of Suspense, an anthology based on the CBS radio program.
Tumlinson's last recorded comics credit is the four-page story "The Last Chance", in Marvel Tales #141 (Dec.