Who created the character that William Arnold "Billy" Costello  voiced and appeared in the daily King Features comic strip?
William &quot;Billy&quot; Costello William Arnold "Billy" Costello (February 2, 1898 – October 9, 1971), commonly known as "Red Pepper Sam", was an American live and voice actor, and the original voice of Popeye the Sailor in 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.