As student of the Wookie Jedi Master Kalwrakka, Dannis Haddarr learned Shyrilwook, (Wookie speak.) Dannis even mastered the Wookie battle cry, a formidable accomplishment for human vocal cords.
I garnered this information searching the Rebel Legion member biographies, a formidable feat considering the quality and age of Dannis Haddarr's membership image.
Dragon*Con XVIII, Atlanta, Georgia, 3rd—6th of Septembre, 2004

Went down to Georgia, looking for a soul to steal.
Monday, 1 November, 2004 20:43