Beau-Jacques is indeed a reference to Bojack Horseman. As for "Kilbron", the name is indeed yet another reference to Guild Wars' character, as it is the real identity of the famous Lich that plagued the PCs during the Prophecy Campaign.

In 23 years of roleplaying games, I don't think I've ever played a dwarf. This was the occasion to fix this mistake by portraying a noble, determined, stubborn dwarven knight.