Complex sentence: Arthur wears a white moth suit that allows him to fly; however he is often mistaken for a bunny due to the long ear-like antennae of his costume and the fact that his wings are often folded up.
Split into simpler sentences: Arthur wears a white moth suit that allows him to fly. Although he is often mistaken for a bunny due to the long ear-like antennae of his costume and the fact that his wings are often folded up.