Their IDENTITY is yet unknown.
Money Heist Season 1, Episode 12
...to verify the IDENTITY
of one's coconspirators.
The Big Bang Theory Season 1, Episode 16
But you're okay with Superman
concealing his IDENTITY with glasses?
The Big Bang Theory Season 8, Episode 6
...suffer from an external locus
of IDENTITY.
The Big Bang Theory Season 2, Episode 15
They've confirmed their IDENTITY, Colonel.
Money Heist Season 3, Episode 7