Langley Shenard Wallingford Woodward

The cat is not doing well. I've noticed a change in him since last week (after he attacked my 2.5 year old niece, so I thought he was still well at that time). But yesterday and today it looks like he is trying hard to breathe and he's not climbing the stairs and he just doesn't look "right". The man is taking him to the vet when he gets home from work and my stomach is in knots. Langley and I have had a troubled relationship from the word go with him being inbred and extrememly vicious and all. BUT my heart is breaking for him as I think this may be the end of the road...