According to incomplete public information, Elon Musk has cheered for Dogecoin numerous times. Here are some typical instances:

- April 1, 2019: The official Dogecoin account initiated a vote to elect a Dogecoin CEO. After being elected with a high number of votes, Musk stated that Dogecoin is his favorite cryptocurrency and changed his Twitter account information to "Former CEO of Dogecoin."

- July 2020: A tweet from Musk caused the price of Dogecoin to soar by 14%.

- January 28, 2021: Musk's tweet mentioning Dogecoin sparked public interest, and the price subsequently rose.

- February 4, 2021 afternoon: Musk tweeted three times in support of Dogecoin, causing the price to spike temporarily, with an intraday increase of over 70%.

- February 2021: Musk proclaimed that Dogecoin is the people's currency and the cryptocurrency of the future, and mentioned that SpaceX would send a Dogecoin to the moon, even suggesting making Dogecoin the currency of Mars.

- May 13, 2022: Musk praised Dogecoin's potential to become a currency, as Dogecoin rapidly surged over 20% within two candlesticks.

- June 18, 2022: Musk stated that Tesla and SpaceX's merchandise "might have more support for Dogecoin," and the next day tweeted, "I will continue to support Dogecoin," leading to a rise in Dogecoin's price.

- April 4, 2023: The Twitter web version changed the blue bird Twitter logo above the official user homepage button to a Shiba Inu cartoon avatar, causing Dogecoin to rise from $0.077 to $0.102, with a 24-hour increase of up to 30%.

- November 18, 2024: Musk stated that he still holds a large amount of Dogecoin.