The series' existence is largely the result of a viewer poll. An Internet and call-in event called the "Big Pick" was held from June 16 to August 25, 2000. The three final choices were "Grim & Evil", "Whatever Happened to... Robot Jones?", "Longhair and Doubledome". Out of the three, "Grim & Evil" won the poll with 57% of the vote and became its own series. The first season appeared on Cartoon Network to kick off the "Cartoon Cartoon Fridays Big Pick Weekend" on August 24, 2001. "Whatever Happened to... Robot Jones?" would later be made into a full (though short-lived) series despite losing; "Longhair and Doubledome" would reappear with another pilot episode in another "Big Pick"-style show in 2002, only to fall short once again.