| Full Name | Fabian Aichner |
| Date of Birth | July 21, 1990 |
| Nationality | Italian |
| Birth Place | South Tyrol, Trentino-Alto Adige/Südtirol, Italy |
| Height | 6 ft 0 in (183 cm) |
| Weight | 220 lb (100 kg |
| Current Team(s) | |
| Theme Song | "In the Night" |
| Debut | December 9, 2011 |
Fabian Aichner is an Italian professional wrestler signed with WWE. He is a former two-time NXT Tag Team Champion. He currently works under the ring name Giovanni Vinci and is the member of the faction Imperium.
In 2011, Aicher made his wrestling debut at New European Championship Wrestling. Aichner spent a few years training and wrestling at the European circuit before making it to WWE.
In 2016, he appeared at CWC and was eliminated in the first round by Jack Gallagher. In 2017, he won the Evolve Championship and worked a few dates in Evolve before they moved him to NXT and NXT UK. In 2018, he formed a team with Barthel called European Union. By the end, they joined Imperium along with Walter and began working at NXT UK.
At World's Collide, Imperium defeated The Undisputed Era. During the Pandemic, they defeated Matt Riddle to win the NXT Tag Team Championship. After 100 days as champion, they lost the title to Breezango. In 2021, they defeated MSK and won their second NXT Tag Team Championship. At Stand and Deliver, they lost the titles back to MSK.
He returned to NXT a few months later under the ring name Giovanni Vinci. At Clash at the Castle, Vinci re-joined Imperium as he made his way to the ring alongside Gunther and Ludvig Kaiser.
| Championship | Number of Times |
| cOw Interstate Championship | 1 |
| Evolve Championship | 1 |
| NEW Hardcore Championship | 1 |
| NEW World Heavyweight Championship | 2 |
| NEW World Tag Team Championship | 1 |
| POW Tag Team Championship | 1 |
| NXT Tag Team Championship | 2 |
