1/144 AMX-103 Hamma Hamma [MS Gundam ZZ series]:
Modeled by liku. Photoreview
The AMX-103 Hamma Hamma is a prototype space mobile suit built during the First Neo Zeon War as a testbed for the Quasi-Psycommu system. It was first featured in the anime Mobile Suit Gundam ZZ and was piloted by Mashymre Cello.
[gundam.wikia]