Musk has been a big proponent of dogecoin over the years. Amid the post-election stock market boom, Musk's new position as co-head of DOGE sent the cryptocurrency soaring on Wednesday. It's remained high with slight fluctuations since then.

Musk and Vivek Ramaswamy were appointed by Trump to lead DOGE, which will function as an advisory committee outside of the government.

Dogecoin was once a joke, but the meme coin gained traction after Elon Musk backed it. Now he's set to co-lead a D.O.G.E. government agency. Here's a look back.