Nickname suggestions?

I love the names [name_u]Winter[/name_u] [name_f]Shadow[/name_f] and [name_m]Midnight[/name_m] [name_u]Sky[/name_u]. I jus feel they’re a bit long and would love a nn for both but can’t think of ones that really click.
Thanks in advance,
Abigailxx

[name_u]Win[/name_u]/ [name_u]Wyn[/name_u] or [name_f]Winnie[/name_f]. For [name_m]Midnight[/name_m] all I can come up with is [name_f]Mimi[/name_f] so maybe just go by [name_u]Sky[/name_u]?

[name_u]Win[/name_u]/ [name_u]Wyn[/name_u] or [name_f]Winnie[/name_f]. For [name_m]Midnight[/name_m] all I can come up with is [name_f]Mimi[/name_f] so maybe just go by [name_u]Sky[/name_u]?Or [name_f]MaiSie[/name_f], because of the initials MS