Hanbin
The leader of iKON and best friend to all members, not to mention, he is also the person with the nicest heart, and he does charity work, despite having a busy schedule. His stage name is B. I
He left iKON in 2019, but is still supported by all iKONics, because he had been wrongly accused. iKON still misses Hanbin a lot, and they cried during their 2019 Japan tour, in which they performed without Hanbin. Overall, he is a talented rapper, vocalist, composer, lyricist and leader.
Person A: Who's that artist with the name RUDY and BALLOON?

Person B: Oh I bet that's Hanbin!