Every SNK wiki 'G-Mantle 1st cameo'd in Blues Journey'
The Neo Geo Anthology Book (the most deeply researched Neo Geo resource apparently) '1st appearance in Blues Journey'
Blues Journey / Raguy came out in 1991, 6 months after he'd already appeared in Cyber-Lip and The Super Spy pic.twitter.com/ROvAB4pYvK

— ohfivepro 🍉 (@ohfivepro) November 13, 2019