'Filbert Fox'.
Carl Wessler was a comic book writer and occasional cartoonist, active in the field from the 1940s through the 1970s. He started his career as an animator with the Fleischer Studios in the 1930s. He did his first comic book work through the Sangor Shop in 1943, while continuing to work for Fleischer/Famous Studios.
Although a versatile writer and editor in later years, Wessler's early comic book efforts were funny animal features like 'Snazzy Rabbit' and 'Senorita Juanita McMouse' in Laffy Daffy Comics (Croydon Publishing), 'Filbert Fox' for Wonder Comics (Standard) and 'Happy Daze' in Daredevil (Lev Gleason).
He was a staff fiction writer for Stan Lee's Atlas Comics from 1950 to 1958. He initially wrote a great many stories for the Atlas crime titles (All-True Crime, Crime Exposed, Crime Can't Win, Amazing Detective Cases), and later also contributed to the horror (Adventures into Terror, Astonishing, Mystic) and war titles (Battle Action, Combat, Men's Adventures).
Wessler was additionally hired by EC Comics to write for Tales from the Crypt and The Vault of Horror, Crime SuspenStories, Weird Science-Fantasy and most of the New Direction titles.
He spent most of the 1960s writing for Harvey Comics ('Casper the Friendly Ghost', a.o.), Charlton Comics ('Billy the Kid') and DC ('Tomahawk'), as well as the black-and-white horror magazines Creepy, Eerie and Vampirella by Warren Publishing. He did his final comic book work in the 1970s, when he wrote for horror titles for both Marvel and DC. He passed away in Miami, Florida in 1989.