House Elves are magical creatures in the Harry Potter series, known for their small stature and large ears. They possess powerful magic but are bound to serve wizarding families, often performing household chores and tasks without pay. House Elves are deeply loyal to their masters and can only be freed if given clothes. These creatures have unique abilities, such as teleportation and the power to perform complex spells without a wand. Notable House Elves include Dobby, who seeks freedom and equality, and Kreacher, who serves the Black family. Their roles highlight themes of servitude and liberation in the series.