No baby coming up, just a name nerd, BUT I’ve always been obbessed with long names with cute nicknames. These are my top three for boys and I was wondering, which one is your favourite? Any suggestions are welcome as well! 
You might like:
[name_m]Baltasar[/name_m] / [name_m]Balthasar[/name_m] / [name_m]Balthazar[/name_m]
[name_m]Ulysses[/name_m]
[name_m]Bartholomew[/name_m]
[name_m]Philemon[/name_m]
[name_m]Konstantin[/name_m]
[name_m]Mordechai[/name_m] / [name_m]Mordecai[/name_m]
[name_m]Thaddeus[/name_m]
[name_m]Benjamin[/name_m]
[name_m]Francisco[/name_m]
[name_m]Nathaniel[/name_m] / [name_m]Nathanael[/name_m]
[name_m]Malachi[/name_m]
[name_m]Abraham[/name_m]
[name_m]Joachim[/name_m]
[name_m]Solomon[/name_m]
The classics [name_m]Alexander[/name_m] and [name_m]Sebastian[/name_m] offer a wealth of nns (e.g. [name_f]Sasha[/name_f], [name_m]Sashka[/name_m], [name_m]Xander[/name_m], [name_m]Lex[/name_m], Andy/Ian, [name_m]Tian[/name_m], [name_m]Seb[/name_m], Sebby, Bastian)
Some less common:
[name_m]Aneurin[/name_m] (a-nay-rin, may rhyming with day)
[name_m]Aneirin[/name_m] (a-nay-rin or a-nye-rin, [name_m]Nye[/name_m] rhyming with fly)
[name_m]Algernon[/name_m]
[name_m]Rhydian[/name_m]
[name_m]Tiernan[/name_m]
[name_m]Taliesin[/name_m]
[name_m]Perseus[/name_m]
[name_m]Ptolemy[/name_m]
[name_m]Sabien[/name_m]
[name_m]Artigan[/name_m]
[name_m]Cassian[/name_m], [name_m]Cassander[/name_m], [name_m]Caspian[/name_m]
[name_m]Maximilian[/name_m]
[name_m]Peregrine[/name_m] is beautiful - strong, cool and magical with a lovely meaning!
A few suggestions:
[name_m]Augustine[/name_m] (Gus, [name_m]August[/name_m], Tino)
[name_m]Valentine[/name_m] (Vinnie, [name_f]Lennie[/name_f], [name_m]Len[/name_m], Vale)
[name_m]Amadeus[/name_m] (Mads, [name_f]Ami[/name_f], [name_m]Dash[/name_m], [name_m]Ace[/name_m], Asa)
[name_m]Ferdinand[/name_m] (Finn, [name_m]Andy[/name_m], [name_m]Anders[/name_m], Ferdie)
[name_m]Barnabas[/name_m] (Baz, [name_m]Barney[/name_m], [name_f]Naz[/name_f], Bear)
[name_m]Caspian[/name_m] (Cas, [name_m]Ian[/name_m], [name_m]Cian[/name_m], Cip, Cap)
[name_m]Sullivan[/name_m] (Sully, [name_m]Van[/name_m], Sunny)
[name_m]Nathaniel[/name_m] (Nat, [name_m]Thaniel[/name_m], Nate)
I’m a big fan of these names as well! I love the nickname options
[name_m]Sullivan[/name_m]
[name_m]Lennox[/name_m]
[name_m]Dawson[/name_m]
[name_m]Winston[/name_m]
[name_m]August[/name_m]
[name_m]Sebastian[/name_m]
[name_m]Fitzgerald[/name_m]
[name_f]Wendall[/name_f]
[name_m]Merrick[/name_m]
[name_m]Alexander[/name_m]
[name_m]Elliott[/name_m]
[name_m]William[/name_m]