||Mid-Boss, Dark Adonis
It's the Mid-Boss! I mean The Dark Adonis, Vyers! Mid-boss tends to turn up where ever Laharl and his vassals go. He likes to charm the ladies but always fails. Though Vyers is still a good man and stops Laharl from making a huge mistake near the end of the series.
In the end of last chapter of manga he indirectly reveals that Laharl is his son so he also might be...