but for reals uh hes grey so i think of clouds and smoke and cabins and cottons lol
because his sibling is Zena it would probably be a thing to keep the Z in there hm...
not many unique names with Z unless you wanna go with game characters lol
but i named my first cat mew/mewington so im not hugely creative lol so i would probably name him coal or like something ridiculous like spud so good luck!
let us know what name you came up with for the cutey though