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, more commonly known by his stagename , (born January 13, 1971) is a Japanese comedic performer and former manga artist. Dai Okazaki is a relative of Takashi Okazaki, the creator of Afro Samurai.

Career Dai Okazaki was one out of four people to debut in the line up of Nou Nou Hau issue 0, with his brother Takashi Okazaki, Ryoji Shibasaki and Mai Shibasaki in November 1998. At the time, Dai Okazaki was a dōjinshi manga artist. In issue 2 of March 1999, Dai Okazaki contacted Meywa Denki for a long period of time to interview him in the "Nou Hau Talk" section of the magazine. Later on that year, Dai Okazaki was asked to go on the famous show Takeshi no Dare Demo Picasso, and then went under the pseudonym "Smelly", taken from an old nickname of Michael Jackson's. The third issue of Nou Nou Hau was released at the same time as when Dai Okazaki became famous on Takeshi no Dare Demo Picasso in May 1999 and featured a picture of him on it, which made the magazine increase in sales. Also, in issue 3, Dai Okazaki started a Smelly manga series, which was said to be very different from the live performances. In October 1999, issue 4 of Nou Nou Hau, Dai started the serialized manga in that issue. In 2000, Dai Okazaki played at the Hakone Open-Air Museum and Rotterdam Film Festival, and in 2001 appeared on a promotional video for Takkyu Ishino, and played at PostPet exercise. At the Nou Nou Hau exhibition "Show Yavay!!!," Dai Okazaki played a live performance in 2002. In 2003, Dai also played at the opening ceremony for Mori Art Museum in 2003 and at the program exhibition for the Kirishima Open-Air Museum. As well as just performing in Japan, Dai also performed in New York City, Bangkok, Roma, and Berlin. Smelly was also quoted and interviewed in the Michael Jackson article "Big in Japan" by Bryan Walsh in 2007. and has also stated that he gets much of his influence from Michael Jackson and that he would gladly pay $400 for a ticket to one of his shows.

Dai produced and designed his own personal website named "handicappers" on biglobe.ne.jp from 1998 to 2003. Dai Okazaki lost domain name and the website now appears as a broken link.