Spitfire

Spitfire is a Pegasus pony and the captian of the aerial acrobatics group, The Wonderbolt. She makes her debut in Sonic Rainboom, and her name is first used in The Best Night Ever. She and Soarin are the first two members of the Wonderbolts to be named on the show. Spitfire is a term denoting a person with a fierce temper. The Supermarine Spitfire is also the name of an iconic British-produced, high-performance Allied fighter aircraft used in the Second World War.