Tapper appears to run his bar well, always having many customers from different games. He also appears to be a very kind man, offering to help Ralph the best he can, and despite Ralph being considered a villain.
Role in the film
Ralph first approaches Tapper in the aftermath of the 30th anniversary party, after he pledges to become a hero. He goes to Tapper, because Tapper knows many of the arcade games, and their characters. Tapper isn't entirely sure if Ralph could actually win a gold medal in any of the games, but wanting to help Ralph, says Ralph may look in his lost and found for a medal.