Trello is the father of Rivan and the grandfather of Dunma. Like many elderly Zora, Trello holds resentment towards any Hylians, including Link, for Mipha's death. He refrains from attacking Link due to having his hands full trying to figure out what to do about Divine Beast Vah Ruta.
Once Vah Ruta has been calmed, Trello will respect Link instead of shaming him.  Since retiring, Trello is in charge of the Champion Festival and bears the Ceremonial Trident. As part of the Shrine Quest "The Ceremonial Song", Trello can be approached by Link about the Ceremonial Trident. He reveals that the trident used in the Champion Festival is a replica of Mipha's Lightscale Trident. He admits that he dropped the trident off the bridge while taking it for Dento to examine. However, he doesn't care much for it since it's fake, and decides to ask Dento to make a new one.
|Names in Other Regions|
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- "Trello" — N/A (Breath of the Wild)
- "How dare you show your face here! After what you did to Lady Mipha!" — Trello (Breath of the Wild)
- "But I'm afraid those of us in the Zora council have our hands full trying to figure out what to do next about Ruta." — Trello (Breath of the Wild)
- "I knew you were the same Link from 100 years ago... You did a fine job this time." — Trello (Breath of the Wild)
- "Since retiring, he has been in charge of the Champion Festival. It is he who now bears the Ceremonial Trident" — Rivan (Breath of the Wild)
- "The Champion Festival's Lightscale Trident... Well, it's a fake." — Trello (Breath of the Wild)
- "I planned to have that ceremonial trident examing by Dento, but on the way there, I dropped it off the bridge." — Trello (Breath of the Wild)
- "It doesn't really matter. It's a fake, after all... I'll have to ask Dento to make a new one." — Trello (Breath of the Wild)