Nimbus. Despite Mr. Nimbus' terrifying power, Rick remains wary but not entirely threatened, due to his backup body plan. Warning: Contains SPOILERS for Rick and Morty 10th Anniversary Special!

However, Morty’s efforts attract the attention of Rick’s nemesis, Mr. Nimbus (Dan Harmon), who comes to the Smith’s home for dinner served with wine acquired from a dimension where time ...

How does Mr. Nimbus know Rick's wife Diane? Rick and Morty returned with "Mort Dinner Rick Andre”, a really solid episode that gives fans some interesting questions about the rest of season 5.