Complex sentence: However, Iodine proved to be popular in her own right, stealing the strip from her parents, and Hatlo gave the character her own strip in 1943 where her antics gave the Sunday comics page a female precursor to Hank Ketcham's "Dennis the Menace".
Split into simpler sentences: However, Iodine proved to be popular in her own right, stealing the strip from her parents, so Hatlo promoted the character into her own strip in 1943. Iodine's antics gave the Sunday comics page a female precursor to Hank Ketcham's "Dennis the Menace".