Final answer:
Genji and Hanzo are characters from the video game Overwatch and belong to the fictional Shimada clan.
Step-by-step explanation:
Genji and Hanzo are fictional characters originating from the video game Overwatch, developed and published by Blizzard Entertainment. They do not pertain to a historical clan, but rather, they are members of the fictional Shimada clan within the game's lore. The Shimada clan depicted in Overwatch is known for its criminal empire that focused on illegal activities such as arms dealing and assassination. Genji and Hanzo, as brothers, were part of this clan before each took a very different path following a violent confrontation between them.