SMG4 supposedly meets his long-lost brother, SuperLuigiGlitchy4, A.K.A. SLG4.SMG4 supposedly meets his long-lost brother, SuperLuigiGlitchy4, A.K.A. SLG4.SMG4 supposedly meets his long-lost brother, SuperLuigiGlitchy4, A.K.A. SLG4.