Portraits revealed through your current reading position.
Twin Nodling brothers — an Illusionist and a Bogatyr — sharing a single top-ten leaderboard slot on the train floor.
Dmitri and Maxim Popov are twin Nodling crawlers who appear at #9 on The Iron Tangle's leaderboard (level 30, 100,000 bounty) — Dmitri an Illusionist and Maxim a Bogatyr, the two of them oddly sharing a single ranked slot (which Princess Donut indignantly notes seems unfair). They're among the top-tier field surrounding Carl, Donut, and the newly-risen Katia Grim as the leaderboard reshuffles after Hekla's death.
Twin Nodling crawlers, one presenting as an Illusionist and the other as an armored Bogatyr warrior (undescribed in detail).
Top-ten twin crawlers sharing a leaderboard slot; part of the floor's rival field.
Also appears in books you've already read — spoiler-safe to their endings: