Famous celebrities who go extra length to hide their identities

Pop icon Sia is unrecognisable without her giant blonde wigs

Daft Punk's headwear completely hides the creator's faces

KISS was one of the first major bands that hid their faces behind masks, featuring theatrical identities

The Blue Man Group created in 1988 featured an all blue look, thus hiding their identities

The Gorillaz went a step ahead by coming in front of the crowd as the first virtual hip-hop band

Deadmau5 as the name goes could be anybody donning those giant ears

Pussy Riot wears ski masks to avoid fines and hail time

The writer, Thomas Pynchon, disappeared for decades