Talk:Rance X: Decisive Battle/@comment-2804:14C:5BB5:9B65:C4F:89F6:2DEA:18E3-20171107094731/@comment-2804:14C:5BB5:9B65:40B:B7D:C819:9918-20171107234648

This blogpost also confirms ジャハルッカス. While at first it may look just like a random monster or boss, he matches the last silhouette on the Demi-humans section. So he likely is an actual character.