diff --git a/dat/bogusmon.txt b/dat/bogusmon.txt
index 7955f0a9c..cf0a84d57 100644
--- a/dat/bogusmon.txt
+++ b/dat/bogusmon.txt
@@ -86,10 +86,17 @@ steam dragon
 omnibus
 slinky
 maxotaur
+millitaur
 octahedron
 dungeon core
 quale
 holloway
+chiasmus
+giant tetrapod
+voussoir
+barking spider
+frog cloud
+toothsayer
 
 # Quendor (Zork, &c.)
 grue