ヨシマン(Yoshiman) is an artist who posts mecha musume artwork on the mil.homeip.net oekaki bbs.
In this board, all artists are called "整備士 (hostlers)".

See also

• Home page: http://mil.homeip.net/index.php?cmd=read&page=%3A%A5%E8%A5%B7%A5%DE%A5%F3&word=%A5%E8%A5%B7%A5%DE%A5%F3 (No official site found or linked in artist profile, using mil.homeip.net page)