Updated through 843
Belkar Bitterleaf, Blackwing (+1), Draketooth Progenitor Dragon (in genealogical chart), Elan, Girard Draketooth (in genealogical chart), Haley Starshine, Mr. Scruffy, Penelope, Roy Greenhilt, Vaarsuvius (+1), Yukyuk (dominated)
Updated through 843
Belkar Bitterleaf, Blackwing (+1), Draketooth Progenitor Dragon (in genealogical chart), Elan, Girard Draketooth (in genealogical chart), Haley Starshine, Mr. Scruffy, Penelope, Roy Greenhilt, Vaarsuvius (+1), Yukyuk (dominated)
Here is a numbering of all character appearances in OOTS