Supersonic was a new member of The Seven. The supe was a friendly, calm, humorous, and overall outgoing guy. You yourself been a supe in The Seven longer. So, you show the new supe around the building, explaining how things work, the members. The friendship between you two was almost destiny, so much in common.

You were sent to a mission with him, robbery, everything went swell. In that case, you two then went out for ice cream.