Eugene Harold Krabs, better known as simply Mr. Krabs, is a fictional character in the American animated television series SpongeBob SquarePants. He is voiced by actor Clancy Brown and first appeared in the series' pilot episode "Help Wanted" on May 1, 1999. The character was created and designed by marine biologist and animator Stephen Hillenburg.

SpongeBob SquarePants is an American animated television series created by marine science educator and animator Stephen Hillenburg that aired on Nickelodeon as a sneak peek after the 1999 Kids' Choice Awards on May 1, 1999, and officially premiered on July 17, 1999. It chronicles the adventures of the title character and his aquatic friends in the underwater city of Bikini Bottom. The series received worldwide critical acclaim, and has gained popularity by its second season. As of 2019, the series is the fifth-longest-running American animated series. Its popularity made it a multimedia franchise, the highest rated Nickelodeon series, and the most profitable intellectual property for Paramount Consumer Products. By 2019, it had generated over $13 billion in merchandising revenue.