In the context of the manga and anime series "Bleach," the relationship between Ichigo Kurosaki and Zangetsu is unique and complex. Zangetsu is Ichigo's Zanpakuto spirit, representing his inner power and connection to the Soul Reaper world.

Initially, Zangetsu appears as a wise, older man named Old Man Zangetsu, serving as Ichigo's mentor and guide. However, it is later revealed that this version of Zangetsu is actually a manifestation of Ichigo's Quincy powers, known as Hollow Ichigo or Inner Hollow. This manifestation represents Ichigo's inner desires for power and his instinctual Hollow side.

The true form of Zangetsu, known as "White," represents Ichigo's Quincy powers and is a reflection of his Hollowfication. As the story progresses, Ichigo learns to embrace and integrate both his Soul Reaper and Quincy powers, resulting in the fusion of his Zanpakuto spirits.

Regarding the question of strength, it's important to note that Ichigo and Zangetsu are not separate entities in terms of power. Ichigo's strength comes from his bond with Zangetsu and his ability to fully utilize his combined Soul Reaper, Quincy, and Hollow powers.

Therefore, it would be more accurate to say that Ichigo and Zangetsu together are stronger than either of them individually. Their combined strength and unity allow Ichigo to access powerful transformations, s