Who created the character that William Arnold "Billy" Costello  voiced and appeared in the daily King Features comic strip?
Popeye Popeye the Sailor is a cartoon fictional character created by Elzie Crisler Segar. The character first appeared in the daily King Features comic strip, Thimble Theatre, on January 17, 1929, and Popeye became the strip's title in later years; Popeye has also appeared in theatrical and television animated cartoons.
Mutt and Jeff Mutt and Jeff is a long-running and widely popular American newspaper comic strip created by cartoonist Bud Fisher in 1907 about "two mismatched tinhorns". Historians regard "Mutt and Jeff", originally titled "A. Mutt", as the first American newspaper cartoon published as a strip of panels, as opposed to a single panel, making it the first "comic strip" to successfully pioneer that since-common format.