From your list I really like [name_m]Otto[/name_m] [name_m]Wolfgang[/name_m] & [name_f]Matilda[/name_f] [name_f]Ottilie[/name_f].
suggestions:
[name_f]Iris[/name_f], [name_u]Juniper[/name_u], [name_f]Clementine[/name_f], [name_f]Josephine[/name_f], [name_f]Magnolia[/name_f], [name_f]Lavender[/name_f], [name_f]Lilac[/name_f], [name_f]Eleanor[/name_f], [name_f]Felicity[/name_f], [name_f]Imogen[/name_f], [name_f]Primrose[/name_f], [name_f]Poppy[/name_f], [name_f]Ingrid[/name_f], [name_f]Amethyst[/name_f], [name_f]Winifred[/name_f], [name_f]Florence[/name_f], [name_f]Isadora[/name_f], [name_f]Cecilia[/name_f], [name_f]Maisie[/name_f], [name_f]Delilah[/name_f], [name_f]Georgia[/name_f], [name_f]Calliope[/name_f], [name_f]Lotus[/name_f], [name_f]Elodie[/name_f], [name_f]Charlotte[/name_f], [name_f]Eliza[/name_f], [name_f]Anastasia[/name_f], [name_f]Bryony[/name_f], [name_f]Arabella[/name_f], [name_f]Cordelia[/name_f]?
[name_m]Otis[/name_m], [name_m]Rufus[/name_m], [name_m]Chester[/name_m], [name_m]Angus[/name_m], [name_m]Sebastian[/name_m], [name_m]Roman[/name_m], [name_m]Leopold[/name_m], [name_u]Nico[/name_u], [name_m]Tobias[/name_m], [name_m]Ignatius[/name_m], [name_m]Dawson[/name_m], [name_m]Holden[/name_m], [name_u]Beau[/name_u], [name_m]Archibald[/name_m], [name_m]Rhett[/name_m], [name_m]Aloysius[/name_m], [name_m]Mordecai[/name_m], [name_m]Floyd[/name_m], [name_u]August[/name_u], [name_m]Linus[/name_m], [name_m]Amos[/name_m], [name_m]Casper[/name_m], [name_m]Remus[/name_m], [name_m]Felix[/name_m], [name_m]Orson[/name_m], [name_m]Harvey[/name_m], [name_m]Phineas[/name_m], [name_m]Soren[/name_m], [name_m]Bjorn[/name_m], [name_m]Jett[/name_m], [name_m]Hugo[/name_m], [name_m]Maverick[/name_m], [name_m]Ford[/name_m], [name_m]Clarke[/name_m]?