Spencer Shay is the lovable, odd, eccentric older brother of Carly. He loves to create sculptures out of random, miscellaneous objects. He is currently in his late twenties and is the legal guardian of Carly. His close friend is Socko, a character regularly mentioned on the show.
Spencer has been mentioned to be a shipper of Seddie.
- He seemed genuinely happy when he heard Sam and Freddie had kissed in IThink They Kissed.
- There was also a shot of him smiling after Sam insulted Freddie in iNevel.
- He pushed Sam and Freddie together in iBelieve in Bigfoot.