As Rowan North sneaked into the Stonebrook Theatre to plant a Hyper-Ionization Device, he ran into an energetic Ozzy fan who shouted and jumped around him excitedly outside. He declared Ozzy rocked and high fived Rowan. Rowan agreed. He flicked his wrist and groaned. He didn't think the world could be cleansed fast enough.
- The Metal Head wore a Mastodon t-shirt with a design called "20 Million BC." This is an homage to the 1966 film poster of the film "One Million Years BC".
- The Metal Head was Daniel Ramis, son of Harold Ramis.
- paulfeig Tweet 10/3/16 Paul Feig says: "He's the one who high fives Rowan outside the concert & says "Ozzy rocks!" That's Harold's son Daniel."