Yes, they're all existing toys except the Death Egg, which looks to have been lifted from a game. It's even the main image on the Sonic Wiki for it.

https://sonic.fandom.com/wiki/Death_Egg

Duck Tales Sun Chaser

https://www.google.com/amp/s/ducktal...er-review/amp/

Darkwing Thunderquack

https://www.worthpoint.com/worthoped...jet-1738519522

Magic School Bus

https://www.worthpoint.com/worthoped...bus-1940371490

I can't fault you for wanting these to real, especially since a lot of these would undoubtedly be cool but please be somewhat critical of any unverified information you see, moreso around early April.