The website Russ found where you can customize a token for your character and save it:

https://2minutetabletop.com/tokeneditor/

https://2minutetabletop.com/tokeneditor/index.php?col=heroes

Also:

https://rolladvantage.com/tokenstamp/

tacticaltokens.com

Fastest token maker for creating stamps for online platforms like Roll20. Make digital token stamps for tabletop games like D&D 5e for free with no account!

NPCs

NPC Generators (Chartopia) - list of several type of NPC generators

NPC Generator - description/traits (select plot hooks, occupation, …)

NPC Background - family, local perception, important events (select level)

Character Generator (Chatoic Shiny) - basic description

Appearance Generator (RanGen) - (select realistic or not, brief or not, …)

Ash’s Guide to RPG Personality & Background

Character Background - generator

What Character am I? - quiz

Who the Fuck is my DnD Character? - random generator

Family Tree Generator - (select age, drama level, detail)