Block B's Zico talked about his older brother, SPEED's Taewoon, on Mnet's '4 Things Show', revealing that like many siblings, they also had their share of fights and differences.

He said, "When I was young, I really hated my older brother.  I wished he would disappear.  I wondered why he was making things so difficult for me when I was happy. He seemed like a being that God sent to me so that I would not live comfortably and would learn about life."

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He also added later on, "I was really eager to learn different things, but my parents had Taewoon try everything first. If he failed at them, they wouldn't let me try it."

Taewoon also made a surprise appearance on set and the two brothers joked about their childhood with Zico insisting he was the poor victimized younger brother, while Taewoon insisted Zico was the one who was the source of their fights as he wasn't the type to back down at all despite being younger. 

It seems despite their rocky relationship when they were younger, the two seem as close as can be now judging by how freely they're able to talk about the past and joke around!

You can check out their interaction through the clip above!