2024-03-18- Great Teacher Onizuka celebrated his birthday - 76 today! 2023-12-24- Great Teacher Onizuka celebrated his birthday - 75 today! 2023-09-30- Great Teacher Onizuka celebrated his birthday - 74 today! 2023-07-07- Great Teacher Onizuka celebrated his birthday - 73 today! 2023-04-13- Great Teacher Onizuka celebrated his birthday - 72 today! 2023-01-18- Great Teacher Onizuka celebrated his birthday - 71 today! 2022-10-25- Great Teacher Onizuka celebrated his birthday - 70 today! 2022-08-01- Great Teacher Onizuka celebrated his birthday - 69 today! 2022-05-08- Great Teacher Onizuka celebrated his birthday - 68 today! 2022-02-12- Great Teacher Onizuka celebrated his birthday - 67 today!