F is the sixth letter in the Alphablocks gang. She is an astronaut and loves to blow and fly about. Her 'fff' sound represents the sound of her rocket pack attached to her outfit. F can also fly in space.
F is voiced by Teresa Gallagher.
She is a purple block wearing a white space outfit with an orange motif and a planet water on the left hand side.
- "Sorry... I forgot."
- Her letter means 15 in Hexadecimal.