Ink Thief
An Ink Thief is someone who steals pens from shops, banks, and supermarkets for their own personal use. Ink Thieves show no regard for the person who supplied the pens, and just use them for their own enjoyment. Be wary if one of your friends (if you have friends, that is) is an Ink Thief, and if so, don't let them come within a 20 foot radius of any pens in your house.
Person 1: "Hey, John stole my pen!"
Person 2: "Yeah, he stole some pens when I went with him to the bank. That darn Ink Thief"
Person 2: "Yeah, he stole some pens when I went with him to the bank. That darn Ink Thief"