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.
Blondie (comic strip) Blondie is an American comic strip created by cartoonist Chic Young. The comic strip is distributed by King Features Syndicate, and has been published in newspapers since September 8, 1930. The success of the strip, which features the eponymous blonde and her sandwich-loving husband, led to the long-running "Blondie" film series (1938–1950) and the popular "Blondie" radio program (1939–1950).