Complex sentence: Ace wears a dark colored cape and cowl similar to Batman's, and (like Batman) possesses a stoic personality; however, Ace does occasionally work alongside Krypto and considers him an ally.
Split into simpler sentences: Ace wears a dark colored cape and cowl similar to Batman's, and (like Batman) possesses a stoic personality. However, Ace does occasionally work alongside Krypto and considers him an ally.