Admiral

Admiral is a military rank and title held by various ponies and other creatures.

Known admirals

 * Admiral Fairweather, of the Wonderbolts
 * Admiral Fairy Flight, of the Wonderbolts
 * Admiral Sherbert Burst, author of The Wonderbolts Handbook

Trivia
The cat lord Admiral Fluffington seems to have the title of admiral as either a nickname or perhaps part of his actual name, given that he's a former street urchin and thief.