First images of Evan Gershkovich and Paul Whelan after being freed from Russia

The video discusses the return of four Americans: Evan Gerskovich, Paul Whelan, Vladimir Karamurza, and Karamisheva. While images of three have been seen, Alsu's images are not yet available. Paul Whelan and Evan Gerskovich appear healthy, and there is ongoing monitoring of Vladimir Karamurza's health.

What can be confirmed about the three Americans mentioned?

What are the names of the individuals being monitored for their health?