Joseph Hugh Messerli was an artist from Kingsville, Texas. He began his career at the age of 18, assisting Charlie Plumb, Fred Fox and Roger Armstrong on the 'Ella Cinders' comic strip for United Features Syndicate. He served in Korea from 1950 to 1952 and then attended Chouinard Art Institute in Los Angeles. During this period, he also ghosted the 'Napoleon and Uncle Elby' strip for Mirror Enterprise Syndicate (1953-56). Later in the 1950s, he assisted Al Wiseman on 'Dennis the Menace' comic books.
Besides comics, Messerli worked at UPA Studios (where he designed the first 'Twilight Zone' logo) and NBC Burbak Graphic Arts Department. During the 1960s he was the inker and letterer of Gene Hazelton's 'Flintstones' and 'Yogi Bear' Sundays and dailies. During the 1970s and the first half of the 1980s, he did comic book art for Western Publising on such titles as 'Three Stooges', 'Bugs Bunny', 'Porky Pig', 'Yosemite Sam', 'Daffy Duck', 'Cave Kids', 'Flintstones', 'Pink Panther', 'Baby Snoots' and 'Andy Panda'.
He also did art for Western Publishing's coloring and activity books, the Little Golden Books collection and Marvel's children's books with 'Flintstone Kids', 'Foofur' and 'Scooby Doo'. Messerli was an inker for Marvel's 1990s Disney title The Disney Afternoon and an artist for DC's Warner Bros magazines.