Hi...WELCOME!!  I'm fairly new to YT myself, but really love it!
 
I think he looks like a Cyler (Cy) for short.  LOL, now that didn't help ya at all.  He is truely gorgeous, so sweet.  But...you know, he really needs a name at 4.5 mos, haha.   He will think he is ... little dude, hehe.  
Again...glad to have you with us!! 

