The Monstrous Compendium Fiend Folio Appendix (1992) reintroduced the ice troll.

The Strahd's skeletal steed also first appeared in Monstrous Compendium Ravenloft Appendix (1991).

The moon dragon, the sun dragon, and the stellar dragon appeared in the Monstrous Compendium Spelljammer Appendix (1991).

The Oriental dragons later appeared in the Monstrous Compendium Forgotten Realms Appendix (1989).

The ice lizard appeared in the second edition in the Monstrous Compendium Fiend Folio Appendix (1992).

The iron cobra appears in the Monstrous Compendium Fiend Folio Appendix (1992).

Two more giant-kin, the voadkyn and the spriggan, appear in the Monstrous Compendium Greyhawk Appendix (1990).

The fog giant appears in the Monstrous Compendium Fiend Folio Appendix (1992).

The athach and the hephaeston appear in the Monstrous Compendium Mystara Appendix (1994).

The chattur first appeared in the Monstrous Compendium Spelljammer Appendix (1990).