[name_u]Ari[/name_u] [name_m]Grant[/name_m] kind of sounds like a word together even though it’s not. It just mashes weirdly together. Other than that I do like [name_u]Ari[/name_u] alot. But [name_u]Remy[/name_u] sounds much better with the last name.
I like [name_u]Ari[/name_u] more than [name_u]Remy[/name_u], but with [name_m]Grant[/name_m], [name_u]Remy[/name_u] sounds better. So, I would go with [name_u]Remy[/name_u] [name_m]Grant[/name_m].