How do u guys add the signature on every comment?

[mm_oohz]

As u can read from the title I need help with adding a vid to my signature, like wat website do u guys use to make the link

 

[Erdafritnib]

Bump (idk the answer)

 

[prettyboymaxer]

So basically

 

[mm_oohz]

Bump (idk the answer)

thx for replying to every post I make

 

[mm_oohz]

So basically

Basically...