Metal Gear Solid 4 family tree

Eva
First appearance: Metal Gear Solid 3 (PS2)
Nationality: American
Affiliation: Unknown
Looks like: Your Grandma
Voiced by: Vanessa Marshall
Biography: Metal Gear Solid 3’s femme fatale defected to the USSR in the ’60s. A top code breaker, she double-crossed Big Boss during his jungle mission.
What she’s doing in MGS4: Now in her 70’s, she returns, looking surprisingly youthful. Can she be trusted? We’ll have to wait and see…