Josuke Higashikata (JoJolion)/Personality and Relationships

Personality
The protagonist is an amnesiac and as such does not remember his life and personal traits before meeting Yasuho, and sometimes becomes nostalgic about this. He is very serious and a detailed observer, capable of accurately describing the physical characteristics of any object, including its color, length, and measures. He also has a certain nobility as avoiding acting cruelly to people weaker than him. He has a great respect for the feelings of others, forgiving his enemies and understanding their motives, even if it causes him difficulty.

The protagonist also has a childish ignorance of common things, likely a result of his advanced amnesia. For instance, he favors sleeping underneath a whole mattress rather than bedsheets for its "increased compression". Yasuho is able to use his naivety for comic relief.