Flash Cutter is a stoic unicorn who tend to keep to himself, his one desire in life is to have Princess Celestia and Princess Luna bring total peace and harmony to all of Equestria. He is the leader of the Royal Espionage Agents, operatives who serve under the Princesses.
He is a pony whose mind is mainly set on completing his missions. Being capable of his profession, he will follow any orders given to him by Celestia and/or Luna. His reasons for being deeply loyal to the two are a mystery to others, but his devotion is unquestionable.