Mr. Pogo

was a Japanese professional wrestler best known for his work under the ring name . He helped popularize hardcore wrestling in the 1990s with "death matches" in promotions such as Frontier Martial-Arts Wrestling, W*ING and Big Japan Pro Wrestling. He was born in Isesaki, Gunma, Japan.
Sekigawa died in a Gunma, Japan hospital on June 23, 2017, at the age of 66, from a cerebral infarction during back surgery.