gundam_tristan
A fictional manned giant robot form the Gundam mechaverse. It was first introduced in the Novel/ONA series Mobile Suit Gundam Twilight Axis from 2017.
RX-78AN-01 Gundam AN-01 "Tristan"
A mobile suit developed from the combination of several parts from previous Gundam models, mostly the old Gundam Alex. It is affiliated to the Birnam private army.