Replies
I'd pronounce Kalle like Kale, the meaning is pretty cool for a little boy, too http://www.babyhold.com/list/French_Baby_Names/Kalle/details/
You can hear the pronunciations here:
http://www.forvo.com/word/eija/
http://www.forvo.com/word/kalle/
http://www.forvo.com/word/eija/
http://www.forvo.com/word/kalle/