Synonyms for Icon:

n.

blank, button, checkbox, bar, active window, blip, button bar, box, cell. biretta, cassock, collar, altar, cross, Easter Egg, chalice, collection plate, dog collar, crucifix. public figure, the glitterati, sleb, celebrity, living legend. duplicate (noun)
counterfeit, representation, imitation, copy, replica, carbon, model, clone, image, duplicate, xerox, reproduction, resemblance, likeness, simulacrum, parody, facsimile, double, ditto.
icon (noun)
image, ikon.
image (noun)
likeness, ikon, symbol, representation.
indication (noun)
crest, marker, hint, banner, lighthouse, guidepost, designation, wave, gesture, key, logo, signal, pointer, motion, token, flag, figuration, symbol, label, semaphore, emblem, stamp, ticket, tag, wink, badge, indication, brand, signpost, gesticulation, notation, cue, logotype, alert, prompt, insignia, legend, beacon, denotation, sign.

Other synonyms:

sleb, living legend. Other relevant words:
cross, sleb, ikon, celebrity, crucifix.