He's a confusing guy, to say the least. He's gangly and likes yelling at people for the sake of yelling. He doesn't think before speaking, but it all works out in the end. If you have a Lucas is your life, the first phrase you think of about him is, "can't live with him, can't live without him."
This isn't about Stranger Things, by the way.
What the hell is Lucas doing now? Oh, he's wearing a rainbow sequin fannypack.