Complex sentence: In the shower, he is led to a mirror with "moron" on it which Marcus hates being called, then is brutally whipped with a towel by the ghost of Mullet while nude.
Split into simpler sentences: In the shower, he is led to a mirror with "moron" written on it, which Marcus hates being called. He is then brutally whipped with a towel by the ghost of Mullet while nude.