So here's an interesting thought question for you guys: Why do you support the King (or really any of your major supported characters)?
King K. Rool (Donkey Kong)
-He's the only major Nintendo villain left out of Smash (except one)
-He's from one of my favorite series
-he's a goofy, cosplaying, unhinged crocodile that tries to defeat his enemies by any way necessary, even if it means endangering his krew, starving his enemies, or blowing up an entire island with a gigantic death lazer
-More DK content
Ridley (Metroid)
-The only villain outside of K. Rool that I think warrants being playable in Smash due to him being the second most important character in the Metroid series
-Metroid needs a playable character that's not Samus that is very important to the franchise (Dark Samus comes closest but even then Ridley's just on a completely different level)
-He's sadistic, intelligent, and animalistic
-He's and extra-terrestrial dragon pirate
-More Metroid content
Dixie Kong (Donkey Kong)
-My favorite playable kong out of the Donkey Kong Country series
-Her ponytail is basically an extra limb which would be fun to utilize in smash
-Dixie Kong is outright the most important female Nintendo character that is not playable yet
-More DK content
Inkling (Splatoon)
-I loved Splatoon and I think it's on it's way to becoming a mainstay Nintendo franchise
-I love their designs
-Their ink could be used for an interesting gameplay gimmick
Impa (The Legend of Zelda)
-Really the only important recurring Zelda character that isn't another form of Link/Zelda/Ganondorf
-Could be a cool mix between Zelda's magic and Sheik's up close and personal fighting style
-She's just awesome
-the fact that she's female is a cool bonus
Red (Pokémon)
-The most iconic, recurring, and important avatar character in all of Pokémon (practically the Villager of Pokémon)
-Could be a fun summoning character that references the Pokédex, bicycle, fishing pole, and the role of Pokémon outside the field of battle (Surf, Fly, Strength, etc.)
-Is (for me at least) the cut from Brawl that hurt the most
I also support Isabelle (Animal Crossing), Tiki (Fire Emblem), Sami (Advance Wars), and Isaac (Golden Sun) but they aren't as much as a priority for me as these 6.