Meta Knight

Meta Knight is a major character in Kirby's Wonderful Adventures.

About
Meta Knight is one of the smarter characters in the series. He is usually the one who sees through the awful ideas of Kirby and King Dedede.

Kirby's Dream Land 1: An Adventure Begins
Meta Knight overhears Kirby's plan to become the monarch and comments on how he can't do it unless he proves Dedede stole the food.

Kirby's Adventure: Here We Go Again
After Kirby becomes Beam Kirby, Meta Knight tells him how to use the ability. After Kirby runs off, Meta Knight hopes Kirby won't abuse his new ability.

Character Origin
Unlike the other three main characters, there's not really too much of an origin behind Meta Knight in this series.

Trivia

 * Meta Knight is usually called "Metal Knight" by Kirby and Dedede.