Translation of rascal in Spanish

I counted the bills and saw that ten thousand Lire were still missing. The old man return to the children, grabbed the oldest one for a second time and hit him again. A minute later he came back with the missing.
Life here is the opposite of what you think. We are living in small village which is a housing complex for MCD employees with their families. It's a children paradise and on the other hand quite boring.
I was surprised that he charged 5 dollars extra (a total of fifteen instead of ten), because he had to take us to three different locations. I did not buy the whole thing and gave him ten bucks.