Elon's tweet: https://twitter.com/elonmusk/status/1400620080090730501

References:

• DOGE, Coinbase - https://blog.coinbase.com/dogecoin-doge-is-launching-on-coinbase-pro-1d73bf66dd9d
• Bike - https://twitter.com/CryptoCobain/status/1400186484297285637
• Greg - https://www.reddit.com/r/dogecoin/comments/nqv8tv/greg_has_my_full_support_do_you_support_greg/
• AMC - https://wtop.com/business-finance/2021/06/amc-looks-to-keep-in-closer-contact-with-its-investors/

References:

• DOGE, Coinbase, Pro, Dogecoin - https://blog.coinbase.com/dogecoin-doge-is-launching-on-coinbase-pro-1d73bf66dd9d
• Greg - https://www.reddit.com/r/dogecoin/comments/nq3b65/this_new_fake_ceo_is_awesome_all_hail_greg_master/

A few references:

• DOGE, Dogefather, SNL - https://www.marketwatch.com/story/elon-musk-dubs-himself-the-dogefather-in-snl-promo-tweet-prompting-real-people-to-invest-actual-money-in-joke-crypto-11619633399
• Facebook, BTC - https://investorplace.com/2021/04/facebook-buying-bitcoin-7-things-we-know-about-the-rumors/

A few references:

• Elon, SNL, DOGE - https://twitter.com/elonmusk/status/1387290679794089986
• Ellen, NFT, Cuban - https://cryptobriefing.com/ellen-degeneres-sells-nft-talks-about-dogecoin/
• Refinable - https://twitter.com/__omxr__/status/1387080771748384768