Almost as soon as he's exposed to it, Rainbow Kryptonite makes Superman say his name backward and shoot a rainbow beam out of his mouth. The full extent of Rainbow Kryptonite's ef ...

The DC Comics Universe is home to countless strange and wondrous beings, many of whom defy the laws of physics that humans abide by every day. Some of the most powerful figures in the DCU are also the ...

Uatu, the Watcher, is a fifth-dimensional being who observes the Multiverse and narrates events like an interstellar Rod Serling. Uatu first appeared in 1963 and is from a race of advanced beings ...