Alex Donaldson-Katsopolis

Alexander "Alex" Donaldson-Katsopolis is one of the two sons of Jesse Katsopolis and Rebecca Donaldson. Alex also has a twin brother, Nicky Katsopolis, and a baby sister, Stella Katsopolis. They are the nephews of Danny and he is also one of the twin cousins of DJ, Stephanie, and Michelle along with his brother.