Dogs are like a box of chocolate, there’s a different flavor in there for everyone. Since dogs come in a variety of sizes, shapes, and colors, there is bound to be the perfect pet for someone. However, we got to thinking, who ends up with the world-record-holding dogs, such as height, weight, or length? Do those owners specifically choose their pet as is, or was it a pleasant surprise? So we decided to take a look. The dog who had the Guinness Book of World Records for height was a beautiful Great Dane named Zeus, who lived in the US.