Neronga is a fictional kaiju from the Ultraman series, best known as one of the early monsters encountered by the Science Patrol. It is an invisible subterranean beast that attacks by emerging from underground and draining electricity, making it a dangerous threat to cities and infrastructure. Neronga’s role in the series is to serve as an early showcase of Ultraman’s abilities and the kind of monster-of-the-week danger faced by humanity. It is a memorable classic kaiju with a distinctive design and power set.