Hidden/Mistaken Identity

It's hard work pretending to be your own AI

The kid we've been looking for has been right under our noses all this time!

Lots of past life secrets to go around

In his defense, she was acting very unprincess-like  so of course he didn't know who she was

It's not like you can tell people you're actually a time traveler

Gotta find some way to sneak out of the palace

Dying and coming back to life in a new body sure does complicate things sometimes

Spies and disguises; can't have one without the other

What's even the point of dopplegangers from another world if you don't pull a few switcheroos?

Because no one will believe you if you tell them you're from a world that is NOT actually a comic book

Living a boss/high schooler double life is exhausting

New month, new body; nothing to see here

This body swapping happens at the most inopportune of times!

A bunch of con artists = a bunch of different identities

At least they knew what his name was since it was sewn into his underwear

Teacher Kim's identity, the worst kept secret at Doldam Hospital

It's generally a good idea to make sure you have the right person before trying to ruin their life

It's a Superman/Clark Kent sort of deal...if only he had any idea who either of those people were

The world's least convincing eunuch disguise

You know you really want to win a case when you deceive your way into a relationship with the opposing counsel

Obviously you can't go around telling people your girlfriend is a gumiho

Basically no one is who they say they are

It's suuuper embarrassing when you mistake a high schooler for an oppa

Dressing up as your brother to attend school is certainly one way to do it

Lots of identities to be had over the course of 400 years

Guy can't help it if everyone just assumes he's that detective guy instead a random zombie 

Looking for who you were and how you did is bound to give anyone a bit of an identity crisis

Waking up in the body of a Joseon queen is bound to mess with you a bit

Because obviously no one is going to believe she's you from 20 years ago

It sure is complicated being a grown man stuck in a teenager's body

Even if you told them you were a god of destiny, it's not like they'd believe you

All those stupid macguffin letters making everyone super confused

So many hidden identities, it's hard to keep them straight

In this universe, establishing a new identity as an old man's long-dead son is perfectly acceptable

Turns out the reason she reminds you of a girl you thought was dead is because you had the girl's name wrong this whole time

Not gonna lie, may have gotten a little dusty up in here when some of those identities became unhidden

Just a little prince and pauper situation gone horribly wrong

It was the old man the whole time #spoilers

You think a random witch just coincidentally offers to take over your failing restaurant?

Things get sorted out pretty quickly, but not before a whole bunch of gangster impersonators invade the lady's art gallery

Because even you did tell the truth about him being from 300 years ago, it's not like anyone would believe you

Is she Mu-doek? Or Naksu? Or someone else entirely?

Time to add a few more identity layers to the hidden identity cake

The robot is a robot, but is sometimes a human, and it's really just a tangled web of deception all around

If you're going to be trapped in a failed idol's body, at least he's the visual

Is there anyone on this show who DOESN'T have a secret identity?

Um, it's called LIAR game

Wander around in 1987 without ID one time and everyone thinks you're a spy

Girl's been hiding her identity so long she doesn't have a sense of identity at all

He wouldn't have seen her as a man otherwise

Obviously no one will believe you if you tell them you remember all your past lives

A noble lady disguised as a con artist disguised as a psychic disguised as a court lady

Because you can't just go around letting everyone know your elaborate revenge plot, at least not right away

Obviously no one's going to believe you're yourself from the future

People don't really believe she has a boyfriend, let alone that he's a gumiho

Becoming a reclusive super-famous composer seems like a counter-productive way of hiding your real identity, but you do you I guess

Thankfully people don't automatically believe in time travel, so they just chalk it up to you being a weirdo

Like it was ever really in question which brother was Jung Ki Ho

No one would believe you're your old self in the body of your young self even if you told them

Not so much hidden as no one believes you're actually from the past

Is there anyone on this show who DOESN'T have a secret identity?

Hidden to everyone except Baek Du, who can see right through her