You might remember that Blue shares with Dave a great fondness for investigations, but Blue has at least one other thing in common with Dave. They share a propensity to be major goofballs with no warning. Blue takes a much less serious approach to life than Dave. He is not too embarrassed to roll around all over the floor, or run in circles in the backyard, or try to bite a stream of water coming from a hose. He just enjoys life. Perhaps this is because he has lived a more sheltered life than Dave has, but whatever the reason, Blue has a good time and isn't afraid to let you know about it.