The characters in Tokyo Revengers cope with feelings of inadequacy and self-doubt in various ways. Some characters find solace in their friendships and support systems, leaning on their friends for encouragement and guidance during tough times. Others channel their insecurities into motivation, using their self-doubt as fuel to push themselves further and work harder towards their goals. Additionally, some characters seek validation from their actions and accomplishments, striving to prove their worth through their successes and contributions. These coping mechanisms help the characters navigate their feelings of inadequacy and self-doubt, ultimately shaping their growth and development throughout the series.