Brutus is Dan's beloved childhood teddy bear. It makes appearances throughout the series, most notably in "Summer Camp", where it's revealed that Dan has had the bear since he was a kid.
It is named after Marcus Junius Brutus, a politician of the late Roman Republic.
- It is likely named Brutus due to Dan's love of Shakespeare, which is mentioned throughout the series. Shakespeare depicted the real life Brutus in his play, " Julius Caesar".