Isayah Fatu (born September 9, 1999), better known by his ring name Zilla Fatu, is an American professional wrestler. He is signed to WWE, where he performs on the NXT brand. Fatu is a third-generation wrestler, being the son of Umaga, and great nephew of The Wild Samoans (Afa and Sika) connecting him to the Anoaʻi family of Samoan professional wrestlers.