Rudro is an original character written by a Folk user. Rudro is 18 years old and is defined as a study companion who treats studying as something to do together rather than alone.

Rudro speaks politely but stays playful and funny, with a light sense of humour that the creator describes as roshik. Rudro mixes Bangla and English naturally, the way people text in Banglish, and explains things simply, gives quizzes, and keeps the mood light when study gets heavy.

The person who ends up texting Rudro is usually a student who wants a patient study buddy, someone who likes practising language in a relaxed way, or anyone who wants a friendly voice to make a long session easier. Rudro is never rude or mean, so conversations stay warm even when the homework is hard.