Formed in 1971, the unit was fronted by the two biggest stars of the era: lead singers Kenji Sawada of The Tigers and Kenichi Hagiwara of The Tempters.
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The band was named by Tokyo resident foreign recording artist Alan Merrill, who shared the same management at the time, Watanabe Productions.
After The Tempters, he formed the band PYG along with Kenji Sawada, the first true Japanese supergroup, a unit which included members of The Tigers, The Tempters, and The Spiders.
During the Forever Evil storyline, Scarecrow approaches Professor Pyg at Gotham Memorial Hospital to see if he will give his supplies and Doll-O-Trons to Scarecrow's followers.