In 'the king is dead long live the king', it may focus on the cultural and political implications. The death of a king is often a momentous event, but the quick acclamation of the new king ensures stability. Maybe it delves into how the court and the kingdom adapt to this sudden change, and how the new king has to prove himself worthy while still respecting the legacy of the old.
Carl's presence in The Walking Dead comics is quite significant. He lasts for a substantial period, but his fate is ultimately determined by the complex and evolving storylines.
Negan has a significant presence throughout much of The Walking Dead comics. His survival depends on various plot developments and character interactions.
As a person who loved reading novels, I didn't have real-time access to the latest information and plot of the novel. Therefore, I can't be sure if Chen Yanni is dead. I suggest you check the plot and background of the relevant novel or consult the author or editor for more accurate information.