In the movie Batman: the dark knight how did the joker really get his scars?

Question

first he claimed they were from his drunk father on a bad night, then he claimed he did it himself for his wife, what is the true reason for them?

Answer 1

his dad was drunk and cut his face thats how he got the scars i saw the movie 4 times

Answer 2

i have no clue more thin likely he did hem salf because he is craze.

Answer 3

isnt it both?

Answer 4

it was the secon reason he did it so that he would smile

but his but only put the knife in his cheek but he dint cut him he did it himself with a laser

Answer 5

nobody knows.

every version of the joker lies about his past and has millions of versions of every story he tells.

Answer 6

no one really knows. he probably just did it randomly because he is insane.

Answer 7

make up