DC Special #16

In "Batman Battles the Living Beast-Bomb!", a desperate scientist's experiment goes awry when a gorilla gains human intelligence and uses it to commit crimes, forcing Batman into a fight for survival. With the gorilla now wielding the scientist's ray—and capable of copying Batman’s own abilities—the Dark Knight must outthink a foe who’s not only stronger but smarter, all while racing to disarm a bomb that could end everything.

In "The Reign of the Super-Gorilla!", Gorilla Grodd, masquerading as William Dawson, escapes prison and returns to Gorilla City, where he reverts to his true form and uses neo-magnetic radiation to make all who see him fall in love with him. With his newfound power, he sets his sights on Central City, aiming to win the governorship through charm and mind control—only to be stopped by the Flash, who counters his scheme with solar flare radiation.