Widows Rifle is called the Widows Kiss, and she will probably also call Venom Mine just that.
Widows whole character is build around that her true personality is surpressed as she herself is just a living Weapon.
The Name/Title “Widowmaker” is mainly used for Weapons.
For Genji, the agile and precise ninja, his shurikens could be called ‘Whispering Winds’. Like the quiet approach before a lift, they are silent but deadly.
Now, let’s think about Tracer. She’s fast, she’s energetic, she’s always on the move. Just like a good cardio session. So, I would name her Pulse Pistols ‘Heartbeats’.
Brigitte’s Mace is Manni/Nott and her shield is Sol/Dag, because when you get hit in the face with a mace it’s nap time… (I hate the little symbols on letters mmkay, don’t @ me)
Mercy’s pistol is called Sigurd because why not, her staff’s (although it has a name) nickname is Bryn
Casserole’s revolver is called Cow-wards, because when he ults people run away and die anyway
Orisa’s spear/javelin is Gungnir, although it doesn’t work ethnically I think it’s fun
Now we just need Dansleif…
Jormungandr is Sym’s wall because it goes on indefinitely, although ethnically doesn’t work