In a post on Twitter, crypto enthusiast and billionaire Elon Musk revealed that he has personally invested in only three cryptocurrencies. Even though he claims not to own any Shiba Inu Coin, the price of the comparatively small alt coin surged to a new all time high today.
https://www.notebookcheck.net/Elon-Musk-reveals-his-crypto-portfolio-says-he-only-holds-Bitcoin-and-two-other-cryptocurrencies-but-no-Shiba-Inu-Coin.575326.0.html
What a weird article.
Dogecoin is based on the "doge" meme which was a picture of a Shiba Inu dog.
There's no mystery here, just ignorance.