shenron (dragon ball)
Shenron (lit. "the Dragon God" also spelt Shenlong) is a powerful entity from Dragon Ball series. Normally appears as a green eastern dragon with red eyes. He can be summoned by gathering the seven Dragon Balls together, which allows him to grant one wish (or later three wishes) for one time only before disappeared.
Due to his prominent appearance, he is one of the most popular and recognizable character of the franchise.