Just realised why Piccolo being hurt by high-pitched whistling is ironic. And others like this?

[Warmmedown]

Because a piccolo is very high-pitched

Any others ironies like this, with the names?
The saiyans like meat but are named after vegetables

 

[Fantastische Hure]

freeza & king-cold refer to cold-ness, but they're hot AF

 

[Warmmedown]

....