An epaulette shark, Tydal was the supervisor for emperor Finnivus in the Indi shiver. He may have acted loyal, but he secretly hated Finnivus, so he could not do anything about it. At the end of Into the Abyss, Tydal becomes leader of Indi Shiver. He became Gray's ally in the fifth book.

Species: Epaulette shark

Gender: Male

Status: Alive

Fate: Following Finnivus's death, he took over Indi Shiver and currently leads the shiver, albeit being somewhat restricted by Rogue Shiver.