How can i send a message looking like another phone has sent it?

Question

i want to have some fun with my friend, he doesn't think i can send a message looking like it's him that have sent it.

does anyone know a site or program that can do it?

was able to do it before, with some telenor stuff, but i don't remember my password atm, so i can't use it, need another site

thanks:D

Answer 1

get a life

Answer 2

You can't unless you use someones phone besides yours.