This was the title of Wilbert Awdry's first published book in 1945, which actually featured Edward, Gordon, and Henry, but not Thomas.
The Three Railway Engines
Thomas is famously based on this specific 0-6-0 tank engine class designed by Lawson Billinton for the London, Brighton and South Coast Railway.
LB&SCR E2 Class
Sir Topham Hatt was not the first controller. This was the full title and name of the original character who became the temporary manager in Awdry's first stories.
Mr. Topham Hatt (The Fat Director)
Before composing the legendary catchy synth-theme for the classic live-action model series, this composer famously worked on British advertising jingles.
Mike O'Donnell (or Junior Campbell)
This is the specific name of the junction station where Thomas leaves the main line to lead his own beloved branch line.
Knapford
In 'Enterprising Engines', this specific locomotive number was given to Oliver when he escaped the Scrapyard from British Railways.
Number 1436
James the Red Engine is uniquely a 2-6-0 wheel configuration hybrid, originating as an experimental variant of this specific Hughes Class design.
Lancashire & Yorkshire Railway (L&YR) Class 28
This is the precise name of the narrow-gauge slate quarry railway line that directly inspired the fictional Skarloey Railway.
Talyllyn Railway
This legendary former member of The Beatles lent his unmistakable Liverpool accent to narrate the first two seasons of the television adaptation.
Ringo Starr
The North Western Railway is connected to the British mainland by a lift bridge crossing this narrow, real-world body of water.
The Walney Channel
The fictional island of Sodor is mathematically given a precise geography. Wilbert Awdry co-wrote a comprehensive 1987 companion handbook detailing Sodor's biology, history, and industries with this brother.
George Awdry
Toby the Tram Engine's character design was meticulously sourced from this standard 0-6-0T steam tram locomotive class of the Great Eastern Railway.
GER Class C53 (Later LNER J70)
This specific engine was bricks-up inside a tunnel because he feared rain would spoil his lovely green paint with red stripes.
Henry
The model animation crew relied on this specific model railway scale gauge for the main steam engines throughout seasons 1 to 12.
Gauge 1
This is the terminus station of Thomas' Branch Line, famous for its dairy factory and direct connection with Ffarquhar Quarry.
Ffarquhar
This real-world standard gauge railway line served as the literal blueprints and layout inspiration for the fictional North Western Railway's Main Line.
The London, Midland and Scottish Railway (LMS)
Gordon and Flying Scotsman are written as biological brothers. Specifically, Gordon was built as a prototype template for this legendary chief mechanical engineer's A1 Pacific class.
Sir Nigel Gresley
The Culdee Fell Mountain Railway is based on Snowdon Mountain Railway. Name the engine who fell down the mountain side in the deep lore back-story and was cannibalized for spare parts.
Godred
This American actor, famous for playing a comedy character in 'The Monkees', provided the US dub voice track for several characters in early releases.
Michael Angelis
This specific station serves as the grand interchange point where the Standard Gauge North Western line meets the Narrow Gauge Skarloey Railway.
Crovan's Gate
In the final 42nd book 'Thomas and his Friends', written by Christopher Awdry, this green engine with a shape matching an LNER J50 became the 12th official member of the standard gauge fleet.
Pip or Emma (Accept either)
Spencer the Silver Engine is an LNER Class A4. His specific real-world heritage is defined by this extreme speed record-holding locomotive sibling.
Mallard
This is the exact full name of the original owner and designer of the standard-gauge 'Coffee Pot' engines that operated on Sodor before the amalgamation.
Mr. Robert Topham
In the 2000 feature film 'Sad old man and the magic fever dream with Thomas as a side character', this iconic Hollywood actor played Mr. Conductor.
Alec Baldwin
This ancient historical capital of the Island of Sodor houses the majestic castle ruin visited by tourist trains on the Norramby Branch.
Kirk Ronan