Elon Musk? I don't think he qualifies. He has done nothing except buy some bitcoins. Putting "#bitcoin" in his twitter bio doesn't count as evangelizing.
He just pumped the price of bitcoin but doesn't really contributed that much in bitcoin.
Maybe if we are talking about the Doge coin, he will qualify especially that he promotes it much more compared to bitcoin.
Manipulating a coin which is supposed to be a meme really helped him, especially that there are a lot of Doge coin investor due to his advertisements in Twitter and other social media platforms.