Complex sentence: A hyperactive, over-zealous and odd-tempered witch girl with a New Jersey accent who is a loose cannon at times and has a hard time controlling her magic powers, causing disasters to occur.
Split into simpler sentences: A hyperactive, over-zealous and odd-tempered witch girl with a New Jersey-esque accent. She can be a loose cannon at times, and often has difficulty controlling her magic powers, causing disasters to occur.