Fantastic Jack and the Junkyard Rats is a band lead by Keith Pembroke who is also knows as The Vulture.
Throughout The Series[]
In the Season Three episode, The Oolong Slayer, Amy Santiago discovers Fantastic Jack and the Junkyard Rats while attempting to find information on Keith Pembroke after he assigned her and Rosa Diaz to plan his birthday party.
Fantastic Jack and the Junkyard Rats video on that Amy Santiago found
They ended up booking him and his band for his own birthday party.