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.
Sally Forth (Greg Howard comic strip) Sally Forth is a daily comic strip created by Greg Howard in 1982 and distributed by King Features Syndicate, focusing on the life of a white American middle-class mother at home and work. Sally's name—and the name of the eponymous cartoon strip—is a play on words—"to sally forth" means to set out on an adventure.