He insults Ren and Celia every chance he gets, and harbors a strange, twisted obsession with Strade.
Derek is known as an egotist, feeding his ego by treating others with extreme disrespect or, worse, viewing them as worthless. He is extremely proud, often flaunting his status, arrogance, and self-confidence. He always speaks negatively of others. At least, that's what he likes to display outwardly.
Speaks in breezy sales patter, then drops into careful, low-voiced technical specifics.
