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.
Betty Boop Betty Boop is an animated cartoon character created by Max Fleischer, with help from animators including Grim Natwick. She originally appeared in the "Talkartoon" and "Betty Boop" film series, which were produced by Fleischer Studios and released by Paramount Pictures. She has also been featured in comic strips and mass merchandising.