as in they help on very human levels, as in handing phones inside homes, being an umpire, murdering villains, applying cream on babies with sunburns or shooting people.
but when they play bad characters, all they do is things which are normal to them...i.e growling, barking, attacking...
why don't they rape, murder, rob banks...have affairs and leave girls?
"Shakaal tries to kill him, but Shiv Kumar breaks loose and tries to escape from the island. Shakaal unleashes wild dogs upon Shiv Kumar and eventually shoots him dead upon the beach." - Shaan, Wikipedia.