| Name: | Ketlen Vieira |
| Alias: | Fenomeno |
| Nation: | Brazil |
| Team: | Nova Uniao / Team Feitosa |
| Weight Class: | Bantamweight |
| Born: | August 26, 1991 |
| Height: | 69.00 in / 175.26 cm |
| Weight: | 134.9 lbs / 61.20 kg |
| Reach: | 68.00 in / 172.72 cm |
| Leg Reach: | 39.50 in / 100.33 cm |
| Pro MMA debut: | October 2, 2014 |
| MMA Record: | Sherdog |