- Heenim's ideal type: I don't see a face because I've had a pretty face since birth. I like girls who wear skirts . I don't like girls wearing hot pants because I can wear them at home too, but it's hard for me to wear a skirt.
- Heenim said that he didn't have a girlfriend for 3 years . He downloaded several applications such as friendship sites. But he just looks at all the photos and he doesn't like people who are dressed too revealingly.
- Heenim said he was happy to see his fans getting married. He even sent a congratulatory flower wreath to one of his fans beforehand. He said that the fans did so many things for him since debut, this is the most he can do.
- Someone sent a message “229 days to go before Heechul is discharged from the military” Heenim then shouted “don't write this!” He will be released earlier than Hwanhee.
- Heenim said he has 229 days left for military service. He also said he had never had a girlfriend for 229 days. In fact, 100 days before that.
- Heenim: I haven't eaten yet. I am hungry.
- Heenim said the kimchi fried rice that Kangin makes for him is really delicious.
- Heenim: I can't live alone. I just play games and Ryeowook or Kangin will prepare food for me.
Hwanhee: Kangin can cook?
Heenim: He cooks well!
- Heenim dances for Shanghai Romance
Heenim said that he should have written about London but because his popularity was overflowing in China, he decided to write about Shanghai, so he wrote Shanghai Romance
- Heenim said that people who are crazy on broadcast are usually calm in real life and vice versa. So in real life, he's very calm and Hwanhee is crazy. hahaha XD
- Fans asked Heechul “If you broadcast radio at 12, when do you eat? Did you miss your lunch? " Heechul replied, “I'm going to have lunch with the Sungdong cafe staff after the broadcast. So don't worry ^^ "