My Trek 7.5fx is named Roark, after the protagonist of Rand's The Fountainhead. (Howard Roark had red hair, and it's a red bike. And more importantly, Roark went his own way in a world of gutless conformity, which is what I try to do in cycling.
I named the Yakima Big Tow trailer the Wussy Wagon after an insult someone made to me on the Clydesdale/Athena Forum. The actual comment was "wussy wagon rider."