I found your stupidity mildly amusing.

我觉得你傻得有点儿好玩。

- Thank you, but I found your evilness is extremely annoying.

谢谢哦，不过我觉得你坏得非常讨厌。

- Who do you think you are, panda?

你觉得你是谁啊，你个死熊猫？

- Who do you think I am, peacock?

你以为我是谁啊，你个臭孔雀？