Most of the Kirby games (or at least the early ones) involve this little guy running through levels to reach the end. Kirby has the ability to float for short periods of time, and his special power is probably the best available, because it's every power in the game. As the cover of Kirby's Adventure shows Kirby likes to inhale things, including the bad guys, which gives him their powers that you can then use to dole out the pain.
Kirby's got his own franchise of video games over all Nintendo systems including the newest addition Kirby's Yarn for the Nintend Wii. Kirby's also makes appearances in other video games including the Super Smash Brothers series. If you haven't played this game, I suggest you find a way to get a copy of any one of the Kirby video games and have a go!