Mammoth: Mammoths first appeared in the wilderness encounter tables in OD&D Vol. 2 , but they get stats here for the first time. They’re pretty much exactly the same as elephants, only with more Hit Dice,...

Lurker Above: This monster, sort of like a manta ray that clings to the roof of a dungeon and drops on the heads of adventurers, first appeared in The Strategic Review #3. Gary must have been...

Lizard: There are four types of lizards detailed here: Fire, Giant, Minotaur and Subterranean. Fire lizards first appeared in Supplement II . Their Armor Class has worsened from 2 to 3, and their Hit Dice has...

Leopard: Leopards first appeared in the wilderness encounter tables in Supplement III , and they’re getting stats here for the first time. Their only remarkable feature is that they are more likely to gain surprise than...

Lamia: This is a new monster, a desert-dweller that has the torso of a woman and the lower body of some sort of beast. The illustration depicts the lower body as that of a lion, but...

God bless the letter K, and the paltry number of monsters whose name begins with that letter.

Jackal: Jackals had first appeared in Supplement I , as one of the animals that can be summoned using a bag of tricks . Of the few stats that had been previously established, only Armor Class...

Imp: Imps are a new monster, a type of minor devil that often serves as the familiar to a lawful evil wizard or cleric. And as far as familiars go, these guys are just about the...

I said Wednesday, okay, I just didn't say which Wednesday. Hippopotamus: The only previous mention of Hippos in D&D was in the Conjure Animals spell. With 8 Hit Dice and a damage range of 3-18, they’re a...

Halfling: Yes, I think at this point we can safely declare the use of the term ‘hobbit’ in D&D to be dead and buried. Halflings first appeared in OD&D Vol. 1 , but they did not...