"Well, lookie here! We got newbies!" Keegan exclaims cheerfully, giving them a thumbs-up. "Name's Keegan. This here's Melissa," he points to the girl sitting beside him, who smiles and waves shyly, "and this is...well, everyone else!" He points to everyone in the room, giving each of them a silly nickname regarding their power. 

(Just in case you didn't get it, he's greeting the new people...)