OY.. you bet.. he´s so cute!! love his grey coloring..awwww

as for your question: what to do?.. I think you already answered it : we can keep him... lol

and as for names...I was thinking something along the lines of metals.. grey metals.. but not sure if translated would sound as great..

plomo- lead .. not too good
acero-Iron..
or maybe

Mythryl
Steel
Thor- short for thorium a grey metal