Nicolo is a former Marleyan soldier who served on Marley's Navy and was part of the first survey fleet to Paradis Island after the failed Paradis Island Operation. After being taken captive, he begins working on the island as a chef for the military.
Nicolo is a young Marleyan man of short stature and slim build. He has a petite pointed nose and is blond, with his hair falling to the sides, looking like he has an undercut. He wears the standard Marleyan military uniform.
While visiting the cemetery, Nicolo wears a black suit and tie.
(Source: Attack on Titan Wiki)