Steve:
1. Diamond Armor
2. Ember Robe
Pig:
1. Pigstep
2. Baby Zoglin
Villager:
1. Savanna Farmer
2. Snowy
Franchise with Unique Content Ratio:
Resubmitting Speed Racer/Mach GoGoGo
Speed Racer/Mach GoGoGo is an anime franchise that pretty much defined anime in the United States until the 90s. Since then, it spawned a franchise in America resulting in a live-action movie, an one-act play, toys, video games, etc. This franchise is kind of a big no-brainer to join a big crossover racing game as after all, the series is about auto racing.
Racers:
Speed Racer/Gō Mifune (the protagonist)
Racer X (The Masked Racer) (The mysterious character)
Trixie/Michi Shimura (The female rep, she is the girlfriend of Speed Racer and is basically the anti-Penelope Pitstop)
As for the unique ratio, I would say the same ratio
Wario Wario Wario
had for Wacky Races. I feel it's appropriate since Speed Racer is kind of the Japanese version of Wacky Races in a way.
This means:
- 6 racers
- 6 alternate costumes (one for each character)
- 8 vehicles
- 1 track
I feel this works fine, alternate costumes may be tricky but we just have to look deep for them.