leon wrote: ↑Sun Jan 22, 2023 6:02 pm
Release 10 covers the rest of the FG1 monsters.
I found 33 monsters that appear in other monster manuals.
Frost Worm: Monster Manual 3E (2000)
Gibbering Mouther: Monster Manual II (1983)
Grick: Monster Manual 3E (2000)
Grimlock: Fiend Folio 1e (1981)
Heucova: Spelled "Huecuva" in Fiend Folio 1e (1981)
Hippocampus: Monster Manual 1e (1977)
Kelpie: Fiend Folio 1e (1981)
Homunculus: Monster Manual 1e (1977)
Quasit: Monster Manual 1e (1977)
Spined Devil: Monster Manual II
Vrock: Monster Manual 1e (1977)
Lizard, Shocker: Monster Manual 3E (2000)
Locathah: Blackmoor (Supplement 2) (1975)
Mimic: Monster Manual 1e (1977)
Mohrg: Monster Manual 3E (2000)
Ogre Mage: Monster Manual 1e (1977)
Otyugh: Neo-Otyugh in Monster Manual 1e (1977)
Phantom Fungus: Monster Manual 3E (2000)
Phase Spider: Monster Manual 1e (1977)
Pseudodragon: Monster Manual 1e (1977)
Remorhaz: Monster Manual 1e (1977)
Roper: The Strategic Review Volume 1, Number 2 (1975)
Sahuagin: Blackmoor (Supplement 2) (1975)
Sea Hag: Monster Manual 1e (1977)
Shambler: called Shambling Mound in Monster Manual 1e (1977)
Shield Guardian: Monster Manual 3E (2000)
Crimson Bones: The Shadow Rift (1998)
Stalag: Called a piercer in Monster Manual 1e (1977)
Tendriculos: Monster Manual 3E (2000)
Vampire Spawn: Monster Manual 3E (2000)
Violet Fungus: Monster Manual 1e (1977)
Giant Winter Wolf: Monster Manual 1e (1977)
Worg: Monster Manual 1e (1977). This one is named parenthetically after "Dire Wolf". Clearly inspired by Wargs from LoTR.
A few of these have different names, and therefore are probably fine as is. See the spreadsheet to see the ones I think are either public domain or original to BFRPG.