Deneb is a fictional character from the anime and tokusatsu series 'Kamen Rider Den-O.' He is an Imagin who forms a contract with Yuto Sakurai and acts as his partner. Known for his gentle and caring personality, Deneb often tries to help Yuto in daily life, though his good intentions sometimes cause trouble. Serving as the form-changing entity for Kamen Rider Zeronos, Deneb is both a source of comic relief and heartfelt moments throughout the series.