| Professor Shonku | |
|---|---|
 Professor Shonku (in the middle) along with his English friend Jeremy Saunders and German friend Wilhelm Kroll | |
| First appearance | Byomjatrir Diary |
| Last appearance | Swarnaparnee |
| Created by | Satyajit Ray |
| Portrayed by | Dhritiman Chatterjee |
| In-universe information | |
| Full name | Trilokeshwar Shonku |
| Nickname | Tilu, Shanks |
| Title | Professor |
| Occupation |
|
| Family | Shonku |
| Relatives | Tripureswar Shonku (father) Batukeshwar Shonku (great-great grandfather (অতি বৃদ্ধ পৌরপিতামহ) |
| Religion | Hinduism |
| Nationality | Indian |
| Residence | Giridih |
| Pets |
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| Robots |
|
| Language skills | Capable of speaking 69 languages |
| Mother tongue | Bengali |
| Degree | B.Sc; Honorary doctorate from the Swedish Academy of Sciences |
Professor Trilokeshwar Shonku (Bengali: প্রফেসর শঙ্কু) is a fictional scientist and inventor created by Satyajit Ray in a series of Bengali science fiction books of the same name published from 1965 on. He is the central protagonist of the series. Professor Shonku resides in Giridih. His house contains a laboratory, and he lives with his pet cat, Newton, named after Sir Isaac Newton and his man-servant, Prahlad. He was born in the year of 1912 but his year of death is unknown.