Although Breaking Bad officially wrapped up in 2013, Bryan has since reprised his role in cameos for El Camino: A Breaking Bad Movie and in the final season of Better Call Saul last year.

Source: https://metro.co.uk/2023/02/08/breaking-bad-bryan-cranston-retiring-walter-white-after-superbowl-18245258/

And is he mentioned in Better Call Saul or Breaking Bad?

Source: https://screenrant.com/better-call-saul-who-is-alvarez-peruvian-gang/

Farley, who passed away from a drug overdose at the age of 33 in 1997, created the character with Bob Odenkirk ("Better Call Saul") when they were both a part of the Second City comedy group before SNL.

Source: https://www.slashfilm.com/1234809/melissa-mccarthy-wore-chris-farleys-actual-matt-foley-jacket-for-her-snl-tribute/

However, what the writers of "Breaking Bad" and "Better Call Saul" understood is that structure should guide writers, not constrain them.

Source: https://www.slashfilm.com/1246535/better-call-saul-season-6-didnt-plot-out-when-characters-were-going-die/

If that wasn't the case, the streamer wouldn't have so heavily invested in bringing series like Breaking Bad, Better Call Saul, NCIS, Peaky Blinders, S.W.A.T., and more under one roof.

Source: https://www.digitaltrends.com/movies/best-action-movies-of-2023-ranked/

Mark Margolis, who played the fearsome Hector Salamanca in Breaking Bad and Better Call Saul, has died at the age of 83.

Source: https://www.comingsoon.net/tv/news/1314985-mark-margolis-passes-away-breaking-bad-scarface-actor-was-83