In the books, the character is never identified by name.

For example, one character is identified by the smell of pipe tobacco.

THE setting looks to be the study in the house of a professor, though the two characters are not identified beyond their names.

By coincidence, in various books this character was identified with the simple antonomasia 'the old man'.

Consequently, the two characters were identified in the movie as siblings.

Some characters aren't identified, and others abruptly disappear then unexpectedly return.

It seems incongruous that a character on a children's television show should be identified with such an impersonal thing.

Although each picture has a title, the characters cannot be positively identified.

This meant that the fictional character and the source of the story were finally identified.

The character is still identified as one of the most important characters in the show's history.