Love these designs and the interaction between the two!
Ellery- Seems to be kindhearted individual based on the expression, a little bohemian perhaps (outfit/flowers) and in touch with nature to an extent.
Alexei- Seems a bit of the doting/protective type, perhaps a little more reserved than his partner, bust still has an edginess. (Which I am guessing they are partners/perhaps in a close relationship based on the gentle romantic pose.)
Both seem to be night owls and a little eccentric/artsy.