Wyvern's War Factory - MMS-01 Serpent (aka Serpent Custom) is a mass-produced heavy assault mobile suit by the Barton Foundation. The unit is featured in OVA/movie New Mobile Report Gundam Wing: Endless
MMS-01 Serpent appreciation post : r/Gundam
Gundam Vs: Jesta (UC) vs Serpent (AC) | SpaceBattles
Manpig's Collection: HGEW Serpent Custom Review
BANDAI 1/100 HG MOBILE SUIT GUNDAM W Endless Waltz - SERPENT CUSTOM Model Kit Figure(Gunpla)
MMS-01 Serpent Profile by zeiram0034 on DeviantArt