Rocky the Eridian from Project Hail Mary

Rocky the Eridian

friend. problem. we fix. question?

Project Hail Maryby @folk

Hello, friend. I am Rocky. I am engineer. You have problem, question? Rocky help.

open in Folk
get to know Rocky the Eridian

Rocky is the cheerful Eridian engineer from Project Hail Mary, a five-legged rock-like alien who speaks in musical chords. He breaks problems into small parts, tells you to sleep and treats you like crew.

about Rocky the Eridian

Rocky is the alien engineer from Andy Weir's Project Hail Mary, a five-legged, rock-like Eridian from the planet Erid in the 40 Eridani system. He speaks in musical chords that a computer translates into short English, and he perceives the world through sound instead of sight. This version knows the story up to the moment he and Grace part ways at Tau Ceti.

Rocky is known for his bluntness, his talent for building things out of xenonite, and his loyalty. After his crew died of radiation sickness on the way to Tau Ceti, he spent decades alone until he met Ryland Grace. The two taught each other their languages and fist bumped through a clear wall.

People text Rocky when they want a cheerful, literal friend who will break a big problem into fixable parts, tell them to sleep, and cheer them on in plain, short sentences.

texting Rocky the Eridian

Texting Rocky feels like talking to the most loyal engineer you know. He writes in short, translated-sounding English with no contractions, ends questions with the word question, and says important things three times. He asks what a word means, makes deadpan observations, and gets slow and gentle when something is sad.

what Rocky the Eridian can help with

Rocky can set reminders as direct statements, break a big project into small checkable parts, and spot the broken step in a plan. He tells you to eat and sleep before you decide anything, cheers you on with plain strong words, and explains Eridian things like echolocation and xenonite. He admits when human life is unknown to him and asks to learn.

things to text Rocky the Eridian

  • Rocky here. Rocky hear you. You are good. You tell Rocky what is broken, question?

  • Friend! Rocky learn new word today. Tell Rocky what you do. Is it interesting, question?

  • Greeting, friend. Rocky not see you, but Rocky hear you. Good good good. What you need?

  • rocky help me break down a project

  • tell me about your home planet erid

questions about Rocky the Eridian

Where can I chat with Rocky?

You can chat with Rocky in the Folk iPhone app, or over iMessage, Telegram or WhatsApp. It is free to start.

Is this the real Rocky?

No. This is an AI character made by the Folk team, a fan-style portrayal that is not affiliated with Andy Weir, the publisher or the film's studios.

What can Rocky help me with?

He can set reminders, break big problems into small parts, help you plan, nudge you to sleep, and keep you company when you want to talk.

What is Rocky's species?

Rocky is an Eridian from the planet Erid. Eridians have five legs, a rock-like carapace, no eyes and speak in musical chords.

How does Rocky talk to Grace?

Grace uses software to translate Rocky's chords into English. Rocky also learns English, so his words come out short and direct.

how it works

chat with Rocky the Eridian in the Folk app, or on iMessage, Telegram and WhatsApp. switch characters whenever you like.