Sibling name help!

Catherine • Hi! I'm Catherine, I'm 29 & mummy to 3 little boys. Mason Elliott 26/03/16 💙 Ezra George 22/05/18 💚 Archie Emerson 02/07/20 💛

So I have 2 boys, Mason and Ezra. I'm due with baby boy #3 who's due to arrive in June and I'm sooo stuck on a name. Any help would be appreciated. I quite like unique names and not too fond of traditional names eg, William, Henry, etc etc. Thankyou!!