TfL have announced official names and colours for the Overground lines:
We’re giving the lines on the London Overground names that celebrate London’s wonderful and varied cultural heritage. In this blog post, we tell you all about the names, the stories behind them and when the changes will come into effect.
no, it’s the Goblin and anyone who disagrees is going to get funny looks
Same with the “Elizabeth line”, it’s too many syllables so the most people can stretch to is “Lizzie Line”, “Platty Tube” or “Crossrail”
Lizard line
People call it that because “Elizabeth Line” is too long, blame them
I’m not blaming anyone; it was a reference to Mel going off about Crossrail on the Big Fat Quiz Of The Year