Before Zeus set a new record, Guinness said the world’s tallest dog was Giant George, another Great Dane. Giant George, who was one inch shorter than Zeus, died last year at 7.

The past three "tallest dog in the world" title holders were Great Danes. Two even had the same colossal name. Here are the world's largest breeds.

US News Family’s dog Zeus dragged into Florida pond by massive alligator and miraculously comes out alive: ‘I don’t know how he survived’ By Daryl Khan Published June 10, 2025, 1:44 a.m. ET ...