There's a voice line of Viper calling Omen Fred or something. I heard it once and never heard it again. What's his real name, and more importantly, what was that line?

Hello guys :) I was just wondering back and then who am I talking to, and who am I playing with within Valorant universe. And then I realised I can make simple poll here to get some insight. I am both curious, and maybe will change my atti...