"Concert Goer" is not an official name. It may have been referenced by ids5621 as such, but has not been officially named. Alternatively, it may be a name popular among fans, but has no official basis.
Concert Goer is an unnamed Matoran who tried attending a concert held by The Kanohi Stripes.
Nothing is really known about the character. He was trying attend a concert held by The Kanohi Stripes but grew frustrated when Pyrex, Tilex, and Myto were holding a place for Krone in line in front of him. When Pyrex stared angrily at him, he took back his complaints and remained quiet.