Since Cyberpunk 2077 is a huge production, you will find a lot of secrets, interesting places, and Easter eggs. On this page of our guide to Cyberpunk 2077, you will find the list of all Easter eggs available in the game.
For the record, Mike Pondsmith is the creator of the Cyberpunk universe. Since we don't have much official information at the moment, we can only guarantee that Mike Pondsmith will appear as one of the characters in Cyberpunk 2077. However, we don't know what role he will play.
Johnny Silverhand, played by Keanu Reeves, plays a very important role in the plot of Cyberpunk 2077. This character appears in the game as a "digital spirit". According to the developers, he will be a full-fledged character with his goals and motives.
There have been rumors on the Internet about the possibility of Lady Gaga's appearance in Cyberpunk 2077. At the moment, we don't have information on who she will play.