Pokemon-go – Weird Trainer Naming Issue in Gym

pokemon-go

Today I looked at mons in a gym and noticed one was named with the letter "t" followed by 13 numbers that seemed random. When I entered battle, the name changed to letters, and the new name was derogatory towards another player. How are people doing this?
EDIT: Changed redaction to only the other player's name.
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Best Answer

It is likely that this player's name was detected as offensive and was removed and the t+digits is a temporary or permanent replacement name. The gym may use a different database table to store the relevant information and may have kept the player's old name before it was banned.