There is also a character, a wanderer possibly called Lazarus, who appears across the three ages of the book A Canticle for Liebowitz.

I took way too long to find this book. If you like Sci-fi and haven’t read it, it’s well worth a try.

https://en.m.wikipedia.org/wiki/A_Canticle_for_Leibowitz

If you’re into this kind of thing, The Hydrogen Sonata by Ian M Banks also has a main character that is very long lived.

I like that movie too. You might be interested in Heinlein’s novel Time Enough For Love. It’s set a couple thousand years in the future and centers on a guy who was born in the early 1900s and is still alive, due to rejuvenation technology and perhaps other reasons :). Other people in the story live long lives as well, but the main character is by far the oldest known in the world. It’s a bit sprawling and weird (even off putting) in some parts, but I found it to be excellently written and very easy to fly through the pages.

I hadn't known about the sequel; thanks for mentioning it!

Honestly, you're better off skipping it.

People say these things for almost all sequels, is it that bad really?

The sequel of 2021 Space Odyssey for example, is nowhere near as good as the original but it gives a closure so I like it.

The Matrix 4, definitely not in the same league as the first ones but it’s still good to have IMHO. It’s a nice wrap up.

Is the sequel of this movie really bad? Like ruining the first one bad?

This particular sequel is really bad. Plenty of issues with the script and cast but to me the disconnect between a character that doesn’t age and the actor that does made it really hard to watch

IMDb: The Man from Earth: Holocene https://www.imdb.com/title/tt5770864/

It's very different.

The first movie takes place in a single room as the character confides in a group of professors about who/what he is.

The sequels is much more conventional (multiple scenes, multiple sets), and features a group of students who independently discover who/what he is.