Watcher

Uatu is a member of the Watchers, an ancient alien race sworn to observe but never interfere with the universe's civilizations. Stationed on the Moon, he monitors Earth and its heroes — though he has occasionally broken his sacred oath when humanity's fate hangs in the balance.

Few figures in Marvel's cosmos carry the weight of silent witness quite like the Watcher, a being who stepped onto the Silver Age stage in Fantastic Four #13 in 1963, conjured by the legendary partnership of Stan Lee and Jack Kirby. Over more than six decades of publication — spanning titles as varied as Quasar, What If?, and Fantastic Four itself — this enigmatic observer has accumulated 133 catalog appearances and six key issues that collectors prize, a testament to just how deeply embedded in Marvel's mythology he truly is. He shares the page with some of the House of Ideas' most iconic figures: Ben Grimm, Reed Richards, Johnny Storm, and even Spider-Man have all unfolded their destinies beneath his vast, unblinking gaze. If you want a character who embodies the sheer cosmic grandeur that made the Silver Age feel genuinely infinite, the Watcher is essential reading.