This list includes 26 Male costume ideas that start with U, from “U-boat captain” to “Uther”. It features recognizable characters, historical roles, and occupation-based looks useful for Halloween, cosplay, themed parties, and school events.

Male costume ideas that start with U are costume concepts for men based on characters, occupations, animals, or historical figures. Many are tied to naval history or Arthurian legend, such as the U-boat captain and King Uther.

Below you’ll find the table with origin and required pieces.

Origin: A one- to three-word tag that tells you where the costume comes from, like “fictional — Marvel”.

Required pieces: Concise list of three to six essential items you need to create the look, useful for shopping or DIY.

Male costume ideas that start with U

NameOriginRequired piecesEstimated cost (USD)
Uncle Samhistorical/patriotictop hat, blue tailcoat, striped trousers, white beard, bow tie40–150
Undertakeroccupation/WWEblack trench coat, black hat, gloves, boots, cane50–200
Umpireoccupation/sportsumpire shirt, cap, indicator, mask or chest protector (baseball), whistle25–120
Unicornmythichorn headpiece, mane wig, tail, full-body suit or hoodie, face paint30–120
Underdogfictional/cartoonred cape, blue bodysuit, dog mask or ears, belt30–100
Ultronfictional — Marvelmetallic armor pieces or silver bodysuit, red LED eyes, helmet or mask, gauntlets60–300
Ultramanfictional — tokusatsusilver-red jumpsuit or bodysuit, helmet, chest Color Timer prop, boots70–300
Uruk-haifictional — LOTRdark tunic, leather armor, helmet, sword or mace, war paint60–200
Ulyssesmythic/historicaltunic or toga, cloak, leather sandals, sword, laurel (optional)40–150
Ulysses S. Granthistorical — 19th centuryUnion frock coat, kepi hat, trousers, sword prop, fake beard50–200
Union soldierhistorical — Civil WarUnion blue coat, kepi hat, belt, canteen, trousers40–180
Urchinhistorical/archetypetattered vest/shirt, patched trousers, cap, dirt makeup, prop coin pouch20–80
Usheroccupation/celebritytuxedo or suit, bow tie, sunglasses (for performer look), clipboard or mic prop30–150
Umbreonfictional — Pokémonblack bodysuit, yellow ring accents (fabric or paint), ears, tail, face paint or mask50–200
Undynefictional — Undertaleblue body paint or suit, red wig, armor shoulder pad, trident prop40–180
Usoppfictional — One Piecelong nose prosthetic, bandana, vest, trousers, slingshot or gadget props30–150
Ulfricfictional — Skyrimfur-lined cloak, leather armor pieces, Nordic boots, axe or sword, braided beard60–250
Uthermythic — Arthurianregal tunic or tabard, cloak, crown or circlet, sword prop, brooch50–250
U-boat captainhistorical — WWIInaval greatcoat, peaked cap, brass buttons, binoculars, map prop60–220
Usain Boltcelebrity/athletetrack singlet, shorts, running spikes or trainers, medal prop, number bib30–120
Undercover coparchetype/occupationdark jacket, plain clothes, fake badge, sunglasses, earpiece prop25–120
Uber driveroccupation/brandcasual jacket or polo, company app sign or DIY badge, phone mount prop, keys20–80
Ukulele playeroccupation/musicianukulele, Hawaiian shirt or casual top, shorts or jeans, lei or straw hat (optional)20–100
Umbrella manarchetype/culturesuit, fedora, umbrella, briefcase, optional mask30–120
Urielmythic — angelwhite robe, wings, halo or circlet, staff or sword, gold accents40–200
Udyrfictional — League of Legendswarrior tunic, arm wraps, animal pelt accents, gauntlets, staff or claws50–250

Descriptions

Uncle Sam
Iconic American patriotic costume; recognizable red-white-blue suit and top hat, great for Fourth of July or political-themed parties.
Undertaker
Funeral director or WWE-style “Undertaker” look; choose Victorian details or modern wrestler styling for a darker Halloween vibe.
Umpire
Classic baseball or cricket official outfit; quick DIY using sport gear for game-night or sports-theme parties.
Unicorn
Playful fantasy costume—go colorful or minimalist with just a horn and mane; inflatable and furry versions are available.
Underdog
Retro cartoon superhero dog costume; simple cape-and-mask approach makes it fun and recognizable.
Ultron
Robotic Marvel villain; metallic finishes and glowing eyes sell the android look, from budget suit to elaborate cosplay.
Ultraman
Classic Japanese superhero suit for tokusatsu fans; full suits available for conventions or lighter cosplay alternatives.
Uruk-hai
Brutish orc warrior from Middle-earth; heavy armor pieces and savage face paint create a menacing cosplay or Halloween costume.
Ulysses
Classical hero (Odysseus/Ulysses) look—adaptable to historical, theatrical or literary themes with simple Greco-Roman garments.
Ulysses S. Grant
Civil War general and U.S. president costume; good for historical reenactments or themed events.
Union soldier
Authentic Civil War infantry look; choose reproduction uniforms or simplified pieces for history-themed parties.
Urchin
Victorian street urchin or orphan costume—low-cost and theatrical with distressed clothing and makeup.
Usher
Dress as a formal event usher or emulate the R&B singer “Usher” with stage-ready attire and accessories.
Umbreon
Dark-type Pokémon cosplay; sleek black silhouette and glowing yellow rings make it instantly identifiable.
Undyne
Fiery knight character from Undertale; crossplay-friendly and recognizable with armor and trident.
Usopp
Quirky sharpshooter from One Piece; iconic long nose and tools define this playful cosplay.
Ulfric
Skyrim rebel leader cosplay; heavy furs and Nordic weaponry create an authentic in-game look.
Uther
Uther Pendragon, Arthurian kingly costume; regal medieval styling fits renaissance fairs and fantasy events.
U-boat captain
WWII submarine captain aesthetic; historically themed costume—use reproduction items and handle historical context sensitively.
Usain Bolt
Sprinter-inspired costume nodding to the Olympic champion; a generic track kit captures the look without overly specific impersonation.
Undercover cop
Generic covert law-enforcement look for parties; avoid real police insignia to stay appropriate and legal.
Uber driver
Modern gig-worker costume; casual clothing plus car/app-themed props suggest the role for contemporary-themed parties.
Ukulele player
Laid-back musician costume centered on the instrument; easy DIY for tropical or music-themed events.
Umbrella man
Mysterious silhouette trope from film noir and pop culture; a simple suit-and-umbrella combo creates a moody, stylish costume.
Uriel
Archangel costume for celestial or medieval themes; robes and wings with golden details make a recognizable angelic look.
Udyr
LoL champion with shamanic animal motifs; emphasize pelts and martial accessories for a faithful cosplay.
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