Diana.
C'mon, shes better than Roman.

Nah
As a character I've always found her kind of flat, especially compared to a lively guy like Roman. Diana is definitely a more useful sidekick, Roman's just more fun.
Shes the handler for the world deadliest assassin, shes not gonna be lively. She's quite literally the only person 47 converses with, talking to that dude will take its toll. If she loses this round, 47 is gonna end up paying a visit to Roman. Then we'll see how lively his is.


Running away won't help! I'll just shoot you in your asses!
Can love bloom on a battlefield?