Complex sentence: Although Menlo is sometimes an antagonist to the main characters, T.J. still attends Menlo's birthday party every year his surname is reavealed to be Williams in the episode Tucked in Mikey.
Split into simpler sentences: Although Menlo is sometimes an antagonist to the main characters, T.J. still attends Menlo's birthday party every year. His surname is reavealed to be Williams in the episode Tucked in Mikey.