Lulu

Lulu (ルル) is a Hound Dog operative mentioned in passing by a fellow Hound Dog member along with Olaf.

Academy City Invasion Arc
When the Hound Dog reports on how Vento of the Front's power is affecting their mission success rates, he mentions Lulu and Olaf together in his statement. But before the context of his reference his made clear, he loses consciousness before Kihara Amata due to Vento of the Front's power affecting all those who show antagonism against her.