Elrodan

Elrodan is a blood elf located in Silvermoon City's Sunfury Spire, in the same room as the mage trainers. A mage named Aurosalia is being repeatedly polymorphed by him into various different forms, and she begs to stop.

Quotes
I may question Prince Kael'thas's loyalties, but never his style.

Trivia

 * His name may be a reference to Elrond Half-elven from J. R. R. Tolkien's Middle-earth, and/or his sons Elladan and Elrohir.