I can tolerate it on a girl but on a boy it's obnoxious. Same with it's variants.
I think it has to do with the -er ending that gives it that 90s vibe that is vaguely annoying, like
Tyler,
Trevor,
Parker etc.
~☆February Song Recommendation☆~
Fujii Kaze - "Kaerou":
https://tinyurl.com/y6b3awga