Cranky Kong

Cranky Kong (Cranky for short) is a primary character in Super Luigi Country. He is a supporting role for Luigi and is seen after defeating each boss. He is a reoccurring character in the Donkey Kong series.

Story
When Luigi sees Bowser fly off with Princess Peach, he is discouraged at first, but Cranky Kong motivates Luigi to save Peach and stop Bowser and his evil.

Throughout the game, Cranky gives Luigi motivation to carry on and save the princess. Cranky really believes Luigi will be able to stop Bowser.

Once Luigi finishes his journey, Cranky puts him as #1 in Cranky's Video Game Heroes.

Luigi
For whatever reason, Cranky really cares about Luigi, as he is always on his side.

Dixie Kong
Even though Dixie Kong is related to Cranky, Dixie still goes after Luigi and works for Bowser, it is never explained.

Trivia

 * Besides Luigi, Cranky Kong is the only good guy that appears frequently throughout the whole game.