I couldn't find any guides that had the actual karma needed to get the title, heres mine! Took me about a week or so to gather all the data. Hope it helps!

If this helps ya please comment or bump, so others can see as well! :)

"Good" Title	Karma needed
King of the Jungle	1,000
Prince of the Savannah	800
Dreamboat of Ladies	600
Famous	500
Majestic	400
Incredible	350
Amazing	330
Merciful	250
Renowned	200
Magnificent	180
Notable Lion	150
Remarkable	120
Sweetheart	100
Recognizable	80
Kind	60
Good-natured	40
Amiable	30
Usual	0

"Evil" Title	Karma needed
Usual	0
Indifferent	-30
Mean	-40
Ill-natured	-60
Fearful	-80
Wicked	-100
Savage	-120
Sinister	-150
Malicious	-180
Vicious	-200
Devastator	-250
Hateful	-330
Terrifying	-350
Ruthless	-400
Evil	-500
Scourge of Lions	-600
Prince of Terror	-800
Deathlord of the Jungle	-1,000