Principal Abacus Cinch

Principal Abacus Cinch is a character from the My Little Pony - Equestria Girls franchise.

The principal of Crystal Prep Academy. Her school's undefeated streak against Canterlot High in the Friendship Games is threatened by CHS having a sudden rise in academic performances. Cinch wants to crush them to ensure Crystal Prep's reputation — and her own — remains untarnished.

In the AWA fics, Cinch appears during the All World Alliance Missions - Friendship Games fic.

Appearance
Cinch has a fair, cerulean skin tone, her hair color are mixed of streaks of brownish-red, pink, and light and dark purple tied in a bun, she wears red glasses over her grayish fuchsia eyes. She wears a dark-blue blazer jacket over a blue turtleneck with a red brooch, dark-blue knee-length office skirt over reddish-pink tights and black heals.

Personality
Principal Cinch is the haughty, abusive, and manipulative principal of Crystal Prep Academy. She takes pride in her students and reputation, especially the awards that her school receives when winning the Friendship Games, and largely considers their legacy of winning her own. She also considers the human Twilight Sparkle her most prized student because of her test grades.

However, Cinch is very competitive and arrogant when it comes to opposition. She accepts nothing less than perfection from her students, as seen during ACADECA, and she shows no reservations in resorting to underhanded tactics to preserve her school's image, such as exploiting her students and cheating. She is also somewhat cowardly, leaving her students behind when she perceives Midnight Sparkle to be a monster.

Trivia

 * Everyone hates Cinch at CHS, Crystal Prep's students at best tolerate her, and even Cadance, her dean and Number Two, doesn't like her either. In "Dance Magic" the Shadowbolts tell Rarity, rather happily, that Cadance has taken over as principal from Cinch and Crystal Prep is better than ever for it.
 * Her full name is a pun on Atticus Finch from To Kill a Mockingbird.