Hi there and thank you for those nice designs! Good that you submitted them without background, too, as we are not going to take black background.
We do like #19 but it is unfortunately not clear enough that it is friends. In that way we prefer #20 where the two guys clearly represent the friends. However there the colours are not attractive. Would you be able to do change #20 to something with a bit purple maybe? The gray is just not attractive to us.
We don't really like #18, as it looks as though the blue guys are trapping the orange one...
Thank you and looking forward to more!