Unseen Lifeguard

The unseen lifeguard was seen in Dog Days ruining Greg's picture which was supposed to be with Heather Hills, but when Susan was gonna take it, Barbara called her phone, and by the time Susan was done, Heather went to her next shift. He was also seen as the same picture in the end with the "Best Summer Ever!" scrapbook by Susan. Besides that, nothing is known about this character.