Possible Clues:

• For him, see 14 down
• Purring male
• He goes to and fro in 11 across
• A male domestic feline
• Take this coat away and what's left sounds empty
• There's nothing beastly motherly about it
• Alley dweller
• Felix, e.g.
• That's the way to get grand with a hundred more at him
• He gets a beastly, twisted cam in 27 across