Sidekicks More Interesting Than Their Bosses!

One of these guys is Bruce Lee. When Bruce Lee is your sidekick, he is automatically more interesting than you.

The sidekick.  That often annoying individual that follows the hero around, sometimes useful, sometimes not.  The character is a staple of genre fiction.  But sometimes the sidekick is more interesting than the hero.

After the cut are a few such sidekicks that outrank their bosses in terms of personality.  Who will make the cut?