- “Turns out that the magic of friendship is your biggest weakness! A fitting end to your pathetic story.”
- ― Tirek to the Mane Six
Lord Tirek (simply called Tirek, is one of the main antagonists of My Little Pony: Friendship is Magic. He appears as the main antagonist in Season 4's finale "Twilight's Kingdom", a minor villain in "Cutie Re-Mark", the secondary antagonist in Season 8's finale "School Raze", and one of the three main antagonists of Season 9 (alongside Queen Chrysalis and Cozy Glow). He is also one of Twilight Sparkle's archenemies.
He is a power-hungry centaur with the power to drain the magic and abilities out of other creatures, particularly ponies. In Season 4, he escaped from his imprisonment at Tartarus to steal magic and gain power to take over Equestria, before he was defeated and banished back to Tartarus by the Mane Six, powered by Rainbow Power. In Season 8, he conspires with his new protégé Cozy Glow for the sake of revenge but his plan backfired. In Season 9, he and Cozy Glow were released from Tartarus and becomes a member of the Legion of Doom, a team of villains bend on conquering Equestria. However, he and his teammates were defeated once more by the Mane Six and their allies. He is Friendship is Magic's incarnation of Tirac; the first villain of the original series.