1) Nimus without an army!!! (just kidding)
2) You need to write nil instead of false there... I think.
3)*** Is it possible to run a function like that? I didn't know. And you can make it simpler. Add if heroname == 'Christian' then to the body of the function. Then we'll see if it even calls heroname, or doesn't even try. (And don't forget to put end then)
Stop! How are you putting the quotes?! If you press E twice (with the English layout), that's wrong, you need " (shift+2)