character
Blinkem
An attendant in the Rabbit King's palace
First named in The Emerald City of Oz, ch. 20
All of them are checked against the book on every build. The other 1 rest on the name appearing in the chapter cited.
Appearances
Seen alongside
People, creatures and things that are in the same chapters — not merely named in them. A trail to follow, not a claim about the story.
Seen in
From the chapters set there, and from sentences that put the two together with a word of place. Being named in the same chapter is not enough.