Hayley and Tyler Dalton are brother-sister twins and the main protagonists of Tom and Jerry (Live Action) (film trilogy) and Their Death Trilogy.
- Tyler is 18 seconds older than Hayley.
- They were born on the 28th of July of 1992.
- Hayley is a good cook in the third movie.
- They both have a terrible childhood until they both became friends with the Cummingham Twins.
- They were enemies with their gym teacher's kids who now became friends.
- Tyler reveals that he and Hayley have a smoking problem in the crossover film with Mystical.
- Hayley reveals to Tom and Jerry that she made a betrayal one time.
- Hayley got diarrhea with Christine one time during tyler and charlie's accidentally pour laxative in their soda.
- They founded out that their friendship with Cummingham Twins is actually a phoney lie.
- They spent the rest of their lives in the 20th century and died in the 2012.
- They made a cameo appearances as Age 34 in 1944 at the end of Tom and Jerry 2
- Hayley knows Lisa because she used to babysit her.
- Hayley and Tyler knows Alex because he sees him proposing to a pregnant Alyssa in 1997.
- She and Tyler will be in Tom and Jerry: The Final Chapter as age 16 again.