我姓黄但绝对不会让你心慌
[wŏ xìng huáng dàn jué duì bù huì ràng nĭ xīn huāng]
The username 'I'm surnamed Huang but will never make you panic' humorously suggests that the user's surname 'Huang' sounds like a pun in Chinese, which could evoke an anxious feeling, but they assure people this worry is unfounded.