Six pony superheroes (and one useless sidekick) from Spike's comic book in the episode of the same name. They are:

• Fillisecond (Pinkie Pie)
• The Masked Matterhorn (Twilight Sparkle)
• Mistress Marevelous (Applejack)
• Radiance (Rarity)
• The Saddle Rager (Fluttershy)
• Zapp (Rainbow Dash)
• and Humdrum (Spike), the aforementioned useless sidekick.