The author of Doraemon was Hiroha Fudo from Japan. He was born in 1928 in Fukuoka Prefecture, Japan. He is a famous Japanese manga artist and children's literature author. Fujimoto Hiroshi was a pilot during World War II. His manga works mainly covered children's readers. Doraemon became one of the representative works of Japanese manga and was loved by readers all over the world.
The JoJo manga is mainly in black and white. Colored versions exist but are not the norm. Sometimes, colored illustrations are done for promotional purposes or by fans.
I think it's great. The characters are memorable, the plot is full of twists and turns, and the battles are epic. It's a manga that stands out from the crowd.