- Primary Subject: Pokemon Pokopia (v1.0.4)
- Key Update: Players have pieced together the "Hacker's Confession" and "Diary" collectibles to reveal that the game takes place 100 years after a global human evacuation.
- Status: Confirmed (In-game Lore)
- Last Verified: March 24, 2026
- Quick Answer: Professor Tangrowth was a Kanto professor's Tangela who escaped a space evacuation project and waited 100 years for his trainer to return to Earth.
When we meet Professor Tangrowth in Pokemon Pokopia, he comes across as an optimistic mentor who has been in this barren world longer than anyone.
But if we dig deeper, Professor Tangrowth's lore is actually kind of depressing. From the notes we find as we progress through the main storyline, we uncover who Professor Tangrowth really is, who his trainer was, and how he ended up in the position he's in.
Want to learn about the Professor's heartbreaking lore? Here's everything we know.
Warning: This piece is spoiler-heavy, so read at your own risk!
Professor Tangrowth Was the Pokemon of a Pokemon Professor
In the Professor's Diary records, we discover Professor Tangrowth's trainer is a Pokemon Professor from the Kanto Region. The unnamed professor found Tangela after coming home from a long day of research in Cinnabar.
The Tangela was injured, and the professor nursed it back to health with a potion. The Pokemon immediately grew a liking to the professor and followed him home. He then embarked on a new life with the professor, playing with their grandchildren and other Pokemon trainers who passed by.
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Tangela always showed interest in human activities. When the professor worked on his computer, he would watch the screen intently. When other Pokemon trainers visited, he would be interested in their Pokedexes and Pokeballs.
Professor Tangrowth Was Left Behind Due to the Pokemon Conservation Project
Tangela has finally found a family - a home. However, the professor revealed in his diary that the intense weather abnormalities and calamities in different regions showed no signs of stopping. Professors predicted that there would not be enough food and energy to continue living on their planet.
This means that humanity would need to be evacuated into space - without their Pokemon. This revelation was immediately met with uproar, which caused professors to launch the Pokemon Conservation Project.
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The Pokemon Conservation Project was a plan to store all Pokemon on the planet in a computer system while humanity takes refuge in space. In his diary, the professor commented on how painful it is to be apart from their Pokemon, but also how this is the only way trainers and their Pokemon may be able to reunite one day.
Tangela's professor was asked to join a team of professors who would periodically visit the planet to check on the conditions and do maintenance on the computer system. However, they turned the opportunity down, saying it's a task that should be left to the young.
Professor Tangrowth Ran Away From the Pokemon Conservation Project
As planned, Tangela was supposed to be handed over to the Pokemon Conservation Project. The professor waited until their grandchild was asleep and handed over Tangela to the project members. However, something unprecedented happened. They ran away.
They likely escaped and were attempting to make it back home. But Tangela would not be met with his trainers, as they had already set off for space. By the time he arrived, no one was home. The professor had hoped that the project staff would find Tangela and keep him safe; alas, that did not happen.
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This means that Tangela, who over the years evolved to Professor Tangrowth, was alone for years without other Pokemon companions. He likely was able to return home, but was met with nothing but emptiness. The glasses he wears and the TM on his head? Likely, the only things he has left from his trainer.
Professor Tangrowth Was Alone For a Hundred Years
According to lore, it had been at least a hundred years since humanity was brought to space. How do we know that? In Hacker's Confession #6, it states that a slight deviation would mean humanity would be stranded in space for hundreds of years, and if that happens, the system storing the Pokemon would release them.
That means for a hundred years, Professor Tangrowth was exploring by himself, hoping that his family would come back. The only reason he has companions now is that humanity is stranded in space.
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The chance of Professor Tangrowth reuniting with his trainer? Slim to none. It's been a hundred years; they are likely no longer alive. But Professor Tangrowth and the other Pokemon don't know that. They believe that now they're together, they can rebuild the world, and when the humans arrive, it will be just like before.
For a fun, cozy life-sim, Pokemon Pokopia sure has its dark moments. And that rings true with Professor Tangrowth's life story.
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