The elf also appeared in the original Monster Manual (1977).

The Monster Manual, released later that year, became the first supplemental rule book of the new system, and many more followed.

Stats can be found for him in the Monster Manual.

The nightmare appears in the Monster Manual for this edition (2000).

The sea hag appears in the Monster Manual for third edition (2000).

The cyclops also appeared in the Monster Manual 2 (2009).

He appears on the cover of the Monster Manual 2 (2009) and is included within.

The mimic appears in the Monster Manual (2000) for the game's third edition.

The boneclaw appears in the Monster Manual for 4th edition.

The githzerai player race was first detailed in the back of the Monster Manual.