Signature costume
#signature_costume
#SignatureCostume
Comic book
Red costume
Dark knight
Harley Quinn
Signature red costume
Comic character
Book character
Comic book character
Comic books
Character design
Comic hero
Book hero
Comic book hero
Gotham city
Comics universe
Dc universe
DC Comics universe
Female character
Merc with mouth
Marvel Comics
Iconic outfit
Fictional character
Fan art
Black outfit
Enduring legacy