The cat instantly fluffed up in defense, letting out mumbling growling meows as its ears lay flat on its head. "Now, now, Beetle, sweetheart, darling, no need to cause a scene." The cat spoke in a voice that was neither male or female. 

Lydia blinked in surprise as the cat spoke, especially since it called Beetlejuice sweetheart and darling. "Beej, you know this cat?"