Very solid so far, and I dig the idea of humans meeting aliens… and starting a bar brawl, or a arm wrestle in this case! Genius… 
Just a comment, watch out for the back light, keep it on the alien side since the humans’ fair space suits might unbalance the overall light. Apart from that, again , very very nice pic this one.
Muy bueno, Ramón, me encanta la idea de encontrarse y ponerse a ver quien es el más chulo del barrio a lo bar de carretera! Lo mejor de las razas en viaje espacial y acaban a tortas! Genial!
). Sport unites them in a conflict so to say. 


