We all pretty much seem to see the same Grantaire in our heads - scruffy, unshaven, dishevelled (and, um, many of us add "rather sexy" in contradiction to the book, but that's because we're fangirls). This artist takes a different track, and funnily enough, I can see where it works...
Meet Debonair, Man-About-Town (or would-be Man-About-Town) Grantaire:
Who is a brilliant contrast to her Enjolras, who is truly statue-like, upright, and all rigid angles:
Why hallo, Antinous/Apollo.
Put em together and...
Methinks the artist here, like some of the rest of us, drew inspiration from that other Les Amis pic.
Anyway, I can see Enjolras being all unbending here (except in that scene he's actually smiling at Grantaire and not quite so rigid), but I'm not sure if Grantaire's gesture and final words were quite so...um...Drunk After Dinner Speaker Proposing a Toast: