nickname ideas for a few contenders for boy#2

There are a few names I have been drawn to lately while compiling a list for boy #2 that I like, but I am not sure of nickname ideas that would fit without being too far of a reach to get to? For some reason I am considering this more than last time. He will be little brother to [name_m]Felix[/name_m] whom we call [name_f]Fe[/name_f] sometimes.

[name_m]Gideon[/name_m]
[name_m]Harvey[/name_m]
[name_m]Malcolm[/name_m]
[name_u]Orion[/name_u]
[name_m]Orson[/name_m]
[name_m]Soren[/name_m]

Other names I am liking with nn ideas:

[name_m]Abram[/name_m] ([name_m]Bram[/name_m])
[name_u]Barrett[/name_u] ([name_m]Bear[/name_m])
[name_m]Ezra[/name_m] (Ez, Ezzie)
[name_m]Graham[/name_m] ([name_m]Gram[/name_m] or [name_u]Gray[/name_u])
[name_m]Sebastian[/name_m] ([name_m]Baz[/name_m])
[name_u]Sullivan[/name_u] ([name_u]Sully[/name_u])
[name_m]Wesley[/name_m] ([name_m]Wes[/name_m])

Thoughts? Suggestions?

Thanks

[name_m]Gideon[/name_m] - [name_f]Dee[/name_f]
[name_m]Harvey[/name_m] - Harv, Vey, [name_m]Harry[/name_m]
[name_m]Malcolm[/name_m] - [name_u]Mal[/name_u]
[name_u]Orion[/name_u] - [name_u]Ori[/name_u], [name_f]Rion[/name_f]
[name_m]Orson[/name_m] - [name_u]Sonny[/name_u]
[name_m]Soren[/name_m] - [name_u]Ren[/name_u]

With [name_m]Felix[/name_m], I love:

[name_m]Orson[/name_m]
[name_u]Seren[/name_u]
[name_m]Malcolm[/name_m]

My favorites with [name_m]Felix[/name_m] are [name_m]Gideon[/name_m], [name_u]Orion[/name_u], and [name_m]Wesley[/name_m].

Potential nns:

[name_m]Gideon[/name_m] - Gid or [name_m]Gee[/name_m]
[name_m]Harvey[/name_m] - Harv
[name_m]Malcolm[/name_m] - [name_m]Mac[/name_m]
[name_u]Orion[/name_u] - [name_u]Ori[/name_u], [name_m]Ry[/name_m]
[name_m]Orson[/name_m] - [name_u]Ori[/name_u]
[name_m]Soren[/name_m] - [name_u]Ren[/name_u]

[name_m]Gideon[/name_m] - [name_m]Deon[/name_m], [name_m]Eon[/name_m]
[name_m]Harvey[/name_m] - Harv, Vee
[name_m]Malcolm[/name_m] - [name_f]Mally[/name_f], [name_m]Mac[/name_m], [name_m]Colm[/name_m]
[name_u]Orion[/name_u] - Ri, [name_f]Rion[/name_f]
[name_m]Orson[/name_m] - [name_u]Ori[/name_u], [name_u]Sonny[/name_u], [name_m]Bear[/name_m] (since it means “bear cub”)
[name_m]Soren[/name_m] - [name_u]Ren[/name_u], [name_u]Renny[/name_u], [name_m]Ory[/name_m]/[name_u]Ori[/name_u]

Some other nns for these:

[name_m]Abram[/name_m] ([name_m]Bram[/name_m]) - [name_m]Abe[/name_m], [name_m]Ram[/name_m]
[name_u]Barrett[/name_u] ([name_m]Bear[/name_m]) - Rett
[name_m]Ezra[/name_m] (Ez, Ezzie) - E
[name_m]Graham[/name_m] ([name_m]Gram[/name_m] or [name_u]Gray[/name_u]) - ?
[name_m]Sebastian[/name_m] ([name_m]Baz[/name_m]) - [name_m]Seb[/name_m], Sebby, [name_m]Bastian[/name_m], [name_m]Ian[/name_m]
[name_u]Sullivan[/name_u] ([name_u]Sully[/name_u]) - [name_u]Van[/name_u]
[name_m]Wesley[/name_m] ([name_m]Wes[/name_m]) - [name_u]Lee[/name_u]

I hadn’t thought of [name_u]Sonny[/name_u] nn for [name_m]Orson[/name_m]. I kind of like it. I was concerned [name_u]Ori[/name_u] or [name_u]Ren[/name_u] might be too feminine, but I like those as well.