@Greyblue[name_f][/name_f] really covered most of the nicknames above. The only others I can think of are [name_m]Derry[/name_m], [name_m]Rad[/name_m], Gren, [name_m]Grant[/name_m], or [name_m]Grady[/name_m].
[name_f][/name_f]As for middle names:
[name_f][/name_f]Grenadier [name_m]James[/name_m]
[name_f][/name_f]Grenadier [name_m]Atlas[/name_m]
[name_f][/name_f]Grenadier [name_f]Vale[/name_f]
[name_f][/name_f]Grenadier [name_m]Hugo[/name_m]
[name_f][/name_f]Grenadier [name_m]Amias[/name_m]
[name_f][/name_f]Grenadier [name_m]Thomas[/name_m]
[name_f][/name_f]Grenadier [name_m]Ocean[/name_m]
[name_f][/name_f]Grenadier [name_m]Elias[/name_m]