Sir Carl

Sir Carl is a paladin who is located in the Underground Pass. He is killed by players during the Underground Pass quest in order to collect the green Paladin's badge. He can be killed after the quest is complete.

Trivia

 * Some consider his name to be a play on words. If said correctly, it sounds like 'Circle'. This is also common with white knights.
 * If you try to talk to him after completing Underground Pass, he will recognise you and exclaim, "You again... die Zamorakian scum!"