| Ryo Tetsuda | |
 Ryo Tetsuda | |
| Full name: | Ryo Tetsuda |
| Nickname(s): | Four |
| Species: | Human |
| Gender: | Male |
| Homeworld: | Earth |
| Birthplace: | Earth |
| Affiliation: | Bounty hunters, Highest bidder |
| Marital Status: | Single |
| Career | |
| Occupation: | bounty hunter |
| Assignment: | Raza |
- For the mirror universe counterpart, see Ryo Tetsuda (mirror).
Ryo Tetsuda, also known as Four or Ishida Ryo, is a male Human who is a bounty hunter in the 24th century and a member of the Raza's crew.
Physical appearance[]
Ryo is tall with cropped, dark hair. He has dark eyes and an athletic build. He can commonly be seen wearing tight-fitting black shirts, cargo pants with multiple holsters, and combat boots.