Complex sentence: Milhouse is a frequent target for local bullies Nelson Muntz, Jimbo, Dolph, Kearney, and the Weasels and, at times, Bart also finds himself at the hands of their abuse.
Split into simpler sentences: Milhouse is a frequent target for local bullies Nelson Muntz and his friends Jimbo, Dolph, and Kearney. At times, Bart also finds himself at the hands of their abuse.