I’ve made character sheets for a few different systems across several blog posts. Some are fillable versions of existing sheets – a few are completely my own design. I’m putting a master list here.

I’ve made a separate page with just the Cepheus Engine sheets. I’ve also made a page just for Dead RPGs.
Battlestar Galactica: Traveller/Cepheus character sheets
Heckin’ Good Doggos: Character Sheets & Cheat Sheet for a doggie-based RPG
Sherwood: A review and custom character sheet for a Robin Hood RPG
Gubat Banwa – Fillable Character Sheets for a Southeast Asian Fantasy RPG
Black Sword Hack – Custom Character sheets for a Moorcock-style OSR game
Fillable playbook sheets for One Shot World
FIST – some notes, a character sheet, and some pregens
Cepheus Deluxe: A custom, colorful character sheet
Diabolox – Urban Horror for the Cepheus Engine (with character sheet)
Superpowered! a review and character sheet
Nuked! – Character sheets for the post-apocalyptic Knave hack
Desert Moon of Karth: A custom character sheet for a Mothership setting
Sword of Cepheus: Updated Character sheet
Character sheet for Planck, a business card RPG
Riverbend: A mini-review, sample setting, and character sheet for a fantasy fishing RPG
Lightning League: A Character Sheet for a Pulp RPG
Webworld: A mini-review and custom character sheet for the post-spiderpocalypse RPG
Barbaric! a custom character sheet for a sword & sorcery RPG
Liminal Horror: A fillable, custom character sheet for the Horror RPG
The Bone Age: Mini-Review and custom character sheet for a science fantasy OSR game
Dancers in the Dreaming City: A character sheet for an Elric-inspired one page RPG
OneDice Pulp: Mini-Review and Custom Character Sheet for a pulp adventure RPG.
Helm: A mini-review and character sheet for a low fantasy game
Omega 99: Character sheet for Cepheus Deluxe
Clone Farm: Mini-review, character sheet, and a player map
Warlords of Atlantis: Character sheets for the Barbaric! setting
Leafpunk: Mini-review and character sheets for a vegetational Troika! setting
New Character Sheets for Classic Traveller
Tiny Cthulhu: Mini-Review and Fillable Character Sheets
Viking Death Squad: Fillable version of the Character sheet
octaNe: mini-review and character sheet for the B-movie post-apocalypse.
Godstar: A faux-Dune Cepheus Engine setting and my custom character sheet
Wings Over The World: a character sheet for the retro sci-fi Cepheus Engine setting
Fallen Justice: A custom character sheet for the Tiny Supers RPG
Brindlewood Bay: Fillable version of the official character sheet
The Spawn of Fashan: Some notes on a mostly-dead RPG and a new character sheet
ZeFRS: A mini-review and free character sheet for the Conan retroclone
In the Light of the Setting Sun: Bonanza Edition – Review and fillable Character Sheet.
Lumberlands: A Black Hack character sheet for the fantasy forest setting
Night of the Ninja: A Character Sheet for an extremely dead RPG
Mercator: Ancient Rome, Classic Traveller – Custom Character Sheet
Traveller: 1700 – A custom character sheet and some recommended Colonial American RPG books
Omega 99: Final Character Sheet
In the Light of a Ghost Star: fillable character sheets for a science fantasy RPG
Golgotha Mini-Review & Character Sheet
Zorro RPG: Mini-Review and Character Sheets
Judge Dredd for Traveller: A custom fillable character sheet
Fillable version of the Beyond the Mountains of Madness character sheet for Call of Cthulhu
Knights of the Road: 1920s Hobos battling monsters – review and custom character sheet
Rider: A character sheet for a Western RPG
B/X Mars: A character sheet for an OSR Mars science fantasy RPG
Strontium Dog: Character Sheets for the Traveller Bounty Hunter RPG
Zaibatsu: Character Sheet for a 1980s style cyberpunk game
Barsoom: 1960 – Custom Troika! character sheet
Vaults of Vaarn – Fillable Character Sheet & Pregens
Electric Bastionland: Fillable Art Nouveau style character sheet
K.A.B.A.L: a character sheet for another long dead RPG
Ship record sheet for the High Seas Hack – an OSR pirate RPG
DoubleZero: Character Sheet for a Modern Action/Espionage RPG
Character sheet for the High Seas Hack – an OSR pirate RPG
Character Sheet and Woodsman Class for the Cthulhu Hack – Dark Ages Style
White Lies: Fillable Character Sheets for the OSR Espionage RPG
Free Character Sheet for Star Trek: Alpha Quadrant/Cepheus Engine
Character Sheet for the 1978 Star Trek RPG
DoubleZero: Fillable Character Sheet for Modern Action RPG
Cepheus Engine: Fillable Character Sheet – BETA VERSION
Mörk Borg: Fillable Character sheet
Boot Hill 1st Edition: Fillable Character sheet
The Price of Freedom: Fillable character sheet for yet another dead RPG
Tiny Living Dead: Fillable Character Sheet
Terra Incognita: Fillable Character Sheet
The Black Hack: Custom Template for Classes
Cepheus Atom: Fillable Character Sheet for new post-apocalyptic RPG
Starships & Spacemen: Fillable Character Sheets
Star Frontiers: Fillable Character Sheets with Table Tents
Psi World: New Fillable Character Sheets for a dead RPG.
Barbarians of the Ruined Earth: Revised character sheets
Scarlet Heroes – D&D for one player – Fillable Character Sheets
In the Light of a Setting Sun – Fillable Version of the Character sheet
Nexus: The Infinite City – Character Sheet for yet another dead RPG
Gary Gygax’s Cyborg Commando – Fillable Character Sheet for a dead RPG
Lords of Mars – Character Sheets – Letter Sized
Fate of Cthulhu – Character & Timeline Sheets
Noir Hack – Character Sheets for a film noir version of the Black Hack
Midnight Boulevard – Film Noir with Traveller Rules – Character Sheet
The Mechanoid Invasion – Character Sheets for yet another dead RPG
Valley of the Pharoahs – Character Sheet for yet another dead RPG
Lords of Creation – Character Sheets for a long-dead RPG
Kosmos 68: Soviet Sci-Fi – Character Sheet for Traveller (Beta Version)
Sword of Cepheus – Character Sheet & Table Tent (Final Version)
Tiny Dungeon: Fillable Character Sheets
Sword of Cepheus: Character Sheet & Table Tent (beta version)
Omega 99 (Traveller/Cepheus Engine): Character Sheet & Table Tent
Hostile (Traveller/Cepheus Engine) – Character Sheet
Planet Amethyst – A setting and adventure for Cavaliers & Coilguns
For Faerie, Queen, & Country – Character Sheets
Gangbusters B/X Fillable Character Sheet
Cthulhu Hack Fillable Chracter Sheet
Lords of Mars – Character Sheets
Hobomancer – Character Sheets & Pregens
Gamma World 1st edition – Fillable Character Sheets & Artifact sheet
Troika! Character/Cheat Sheets
Atomic Robo – Fillable FATE Character Sheets
White Box – OSR Fillable Character Sheets
Tiny Supers – Fillable Character Sheet & Cheat Sheet
Danger International – Character Sheets
Mercenaries, Spies, & Private Eyes Character Sheets
Judge Dredd – Traveller Character Sheets
Barbarians of Lemuria – Fillable Character Sheet
Starships & Spacemen – Fillable Character Sheets
Romance of the Perilous Land – The Old Man of the Woods (and Character Sheets)
Phoenix Command – Complicated Gun Nonsense – 1980’s style
Here’s some I’ve put on other blogs
Apes Victorious Character Sheets