Our Costumes Starting with O collection brings together original, outrageous, and outstanding ideas for your next dress-up event.
Transform into a classic Ogre, become a legend as Obi-Wan Kenobi, or step into the spotlight as an Opera Singer. Choose a spooky twist with an Old Witch, or go silly with an Onion or Octopus novelty costume. History buffs can dress as Oliver Cromwell, while storybook fans might prefer Olivia the Pig.
These O costumes suit Halloween, alphabet parties, and stage performances. They’re ideal for groups—Ogres and Princesses, Ocean-themed Octopus parties, or Star Wars duos like Obi-Wan and Anakin. Kids and adults will both find great options here.
For extra ideas beyond O, check our full costumes A–Z range and keep the inspiration flowing.
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Tales of Old England Derby Bowler Hat -
Human Torch -
David Walliams Kids Little Monsters Howler Costume -
Oompa Loompa Kids Wig -
Black Bowler Hat -
Adult Union Jack Bowler Hat -
Oompa Loompa Wig -
White Bowler Hat -
Kids Human Torch Gloves Accessory from Fantastic 4 -
Creepy Old Man Mask & Hair -
Old Man Glasses Costume Accessory -
Adult Oompa Loompa Costume -
Adult Deluxe Rey Costume From Star Wars The Force Awakens -
Oompa Loompa Kids Costume -
Kids Little Old Man Costume -
Obi-Wan Kenobi Boys Deluxe Costume -
Sorceress Kids Costume -
Orange Prisoner Cap -
50s Bowling Shirt -
Octopus Costume -
90s Bowl Cut Wig -
Bowler Hat -
The Exorcist, Regan Costume -
The Exorcist, Father Merrin Priest Costume, Robe
