A new addition to the family?

No, no, I'm not pregnant. Settle down.

Lately K can be found chanting 'Da-ddy, Mu-mmy, Ba-by, Ba-tty!', over and over again and with great excitement.

'Baby' seems to refer to himself, but who on earth is 'Batty'?

I wonder if he's a friend of Eddie and Abbley-Dabbley...