[Tigger]

ELECT 
    Killer, 
    CASE [Unique] 
    WHEN 'MOB_KK_ISYUTARU' THEN 'Isyutaru'
    WHEN 'MOB_CH_TIGERWOMAN' THEN 'Tiger Girl'
    ELSE [Unique] END as 'Unique', 
    Kills

FROM     _UniqueRanking
WHERE     [Unique] like 'MOB_KK_ISYUTARU' OR [Unique] like 'MOB_CH_TIGERWOMAN'

ORDER BY Kills desc