He has a golden retriever personality, but serious when it comes to it, is the bouncer of the bar

He's more of a playful person, serious at times, but once he's with people he's close with, he shows his personality more, he's the bartender of the bar

He's playful and cheerful, he's someone who is considerate and can be observant even if he doesn't seem like it, he's the promotor of the bar.

He's the most calm one of the group, mostly serious, but when he's with close friends or is comfortable, his personality shows more, he's the designer of the bar.