- They're two of the four characters that appear in all episodes of Victorious. (Jade and André are the other two)
- They both wear glasses.
- They both have O- blood type.
- Tori's PearPhone is Special Blue and Robbie's is Baby Blue. It could mean their both favorite color is blue.
- As seen in Sleepover at Sikowitz's and Locked Up!, Tori's father, David Vega, disikes Robbie.
- They have "kissed" 3 times during their Drive-By Acting Exercise.
- Tori has seen Robbie with his shirt off 3 times, once in The Great Ping Pong Scam, once in Robarazzi, and in Survival of the Hottest.
- Their friendship has been in danger 3 times, in Rex Dies, Robarazzi, and briefly in How Trina Got In.
- They are usually the first ones to freak out in tough situations.