So I was watching saved by the bell

[The Sleeper]

here's how I would rank the characters in terms of likability and how much they added to the show

1) Zack - the obvious choice. His amazing scams were the backbone of sbtb
2) Screech - Although he got progressively more annoying, his middle years with his robot were amazing.
3) Mr. Belding - Firm yet well-meaning, his goofy side was a treat.
4) MYLO - Brought a much needed urban flavor to sbtb that Lisa never was able to do.
5) Slater - Not as defined as Zack or Screech, he still had his moments.
6) Kelly - Hot
7) Jessie - Her caffiene pill breakdown was an amazing moment, despite her annoyingly monotonous "pig" insults to Slater
8) Lisa - She was a stuck-up bitch, but at least she took Screech to the prom, which was her finest moment.
9) Nikki - She was Jessie before Jessie, and a lot more annoying
10) Mikey - Very disposable sidekick to Zack. Slater made him look like a chump
11) Miss Bliss's Art Teacher Freind - Annoying, but also disposable and probably the least significant main cast member.
12) Miss Bliss - If she didn't constantly laugh at her own lame attempts at humor, she might have been more likable, but seriously, I'm so glad they dropped her.
13) Tori - I don't think I need to explain this one.