Thanks, splexis. I do concede Mystery Caster not being Jeftichew would make a future Jeftichew difficult to identify visually, unless! [hat]A design like Headmaster Isaac's could be used: visually referencing Carl Sagan, while nominally referencing Isaac Newton, a Jeftichew could look like PT Barnum and thereby have more of the trappings of a Carny. It's just as likely! [/hat]
Again, about the Great Minds "all" being in the Temple, or it not being possible that any of them were elsewhere, including Portal Park:
(Erfworld page links are not working for me for some reason, but these urls should paste effectively)
http://www.erfworld.com/2011/01/book-2-–-text-updates-038/ , where the faces of some of the GMtTA are shown, including Headmaster Isaac, "Psycho Mantis", "Neil deGrasse Tyson", "Princess Zelda", and Maggie's coded message (however you think it'll be interpreted by the GMtTA or any interloper) was sent.
http://www.erfworld.com/2011/02/book-2-–-text-updates-040/ , where Headmaster Isaac calls the meeting.
The meeting is not shown.
http://www.erfworld.com/2011/03/book-2-–-page-57/ , where Sizemore casts "Mind the Gap" and is largely ignored by "Scarlet Witch", "Zatanna", "Dr. Strange", "Lulu", "The Wicked Witch of the West", "Dr. Manhattan", "
Princess Zelda", and a few others, but is noticed by Mystery Caster.
http://www.erfworld.com/2011/04/book-2-–-page-58/ , where the GMtTA head to PP, and we are shown people who are definitely members: Headmaster Isaac, likely "Neil", "Empress Sanaki", "Morticia/Elvira", "Cheetara", and 3 others. Two of them could feasibly match "Aristotle" in Text Update 38, and the cut-off face in the bottom left of Text Update 38, who has black hair and pointy ears, but is wearing very un-Spock-like clothes on Page 58, if they are the same.
http://www.erfworld.com/2011/05/book-2-–-page-60/ , where "Princess Zelda" is no longer visible, but Mystery Caster is.
The point: Some of the GMtTA went to the temple, some did not. This constitutes an excuse for "Princess Zelda" to ignore the meeting and stay in PP: having already received the message, she could have decided to fulfill her responsibilities directly without need for further discussion. Accepting that further excuses a certain Mystery Caster possibly aligned with the GMtTA in the same way. Mystery Caster's position and action on Page 58 suggests some recognition of Sizemore's presence/actions Signifying something, but says absolutely nothing regarding motive.
Another fun connection between Fedor Jeftichew and the Beatles / George Harrison: Jeftichew is referred to on his
wikipedia page as Jo-Jo the Dog-Faced [Boy/Man], and Jojo is a character in the Beatles song
Get Back who leaves his home (in Arizona, for weed) and is urged to "Get back to where [he] once belonged". Kind of apt for a dispossessed caster, who no longer has a home to go back to, right? While Get Back is a Lennon/McCartney song, its lyrics are derived from George's
Sour Milk Sea, (citations on Get Back's page) which has
lyrics fitting the Great Minds, in my opinion.