ElMonoEstupendo

Yesteel.

Riino's Lighthouse.

The Stump.

The seon in Shallan's box. Ala?

Captain Ico.

That's Axies the Collector. Notum.

Torol Sadeas. Nevermind, just saw Ace's guess. The chap that fights the thunderclast in Thaylen City, I forget his name.

Rlain! Correct!

Not Dalinar. Not the Stormfather. Not Tanavast. Not Hoid. Not Vasher. Not Amaram. Not Nale. Not Raoden. Not Thaidakar. Not Moash. Not Bluefingers. This character is permanently marked. This character is empowered in multiple ways at multiple times throughout their story. This character has had several bonds. This character changes shape, but some things remain the same. This character bridges minds, among other things. Bonus Clue: This character is offered a bond, but refuses it on principle.

The atium cache.

Not Hoid! Not Vasher. Not Amaram. Not Nale. Not Raoden. Not Thaidakar. Not Moash. Not Bluefingers. This character is permanently marked. This character is empowered in multiple ways at multiple times throughout their story. This character has had several bonds. This character changes shape, but some things remain the same. This character bridges minds, among other things.

Not Amaram. Not Nale. Not Raoden. Not Thaidakar. Not Moash. Not Bluefingers. This character is permanently marked. This character is empowered in multiple ways at multiple times throughout their story. This character has had several bonds. This character changes shape, but some things remain the same.

Not Raoden. Not... Thaidakar. Not Moash. Not Bluefingers. This character is permanently marked. This character is empowered in multiple ways at multiple times throughout their story. This character has had several bonds.

The Well of Ascension.

Not Moash. Not Bluefingers. This character is permanently marked. This character is empowered in multiple ways at multiple times throughout their story.

Nice one! This character is permanently marked.

Moash's grandparents!

Iadon. For a given value of #3.

Grandmother Forescout.

Adonalsium.

Dalinar.

Rysn.

Ooo, so "Tanalan" doesn't narrow it down and "Highprince" isn't right because they're both of the third dahn (just highlords). But yes, it's Tanalan Senior.

Not Szeth. Not Adolin. Not Kwaan. Not Moash. This character defies a future king. This character carries a famous weapon. This character died surrounded by their loved ones.