Complex sentence: Unlike the original, he isn't as malicious, or as cruel or as intelligent or as evil as he used to be, and seems almost as incompetent as Gadget, even though he still retains a certain evilness and cruelty that characterizes him.
Split into simpler sentences: Unlike the original, he isn't as malicious or as cruel or as intelligent or as evil as he used to be. He seems almost as incompetent as Gadget, even though he still retains a certain evilness and cruelty that characterizes him.