Piccolo has one of the greatest character arcs in all of anime.
Introduced as the son and reincarnation of the demon king King Piccolo, he began life as one of Goku's deadliest enemies. Angry, ruthless, and determined to conquer the world, Piccolo seemed destined to remain a villain forever.
And then he got stuck babysitting Gohan.
Which, as it turns out, changed everything.
What makes Piccolo such a beloved character is the way he evolves from feared enemy into one of the most dependable heroes in the entire Dragon Ball. Through his relationship with Gohan, Piccolo slowly develops empathy, friendship, loyalty, and a genuine sense of responsibility.
Without ever losing his edge.
That's the magic.
Even after becoming one of Earth's protectors, Piccolo never turns into a cheerful goofball. He's still serious. Still intimidating. Still the guy most likely to be meditating alone while everyone else is having a barbecue. He simply learns that protecting others is more meaningful than ruling over them.
And honestly?
That's growth.
Combat-wise, Piccolo absolutely rules. Stretching limbs. Regeneration. Giant forms. Energy blasts. The Special Beam Cannon. For decades he has remained one of Dragon Ball's coolest fighters, constantly adapting and finding ways to stay relevant in a universe where power levels have become completely absurd.
And his design is timeless.
The cape. The turban. The crossed arms. The Namekian ears. The permanent expression of "I am surrounded by idiots." It all works.
Fans love Piccolo because he represents earned heroism. He wasn't born a hero. He chose to become one. Over time, he transformed from a monster feared by the world into one of its greatest defenders.
Also... yeah... if Piccolo says a situation is serious, you should probably start paying attention.