he's LNER A1 No.4474 "Victor Wild", in 1935 his old LNER Corridor Tender was wearing out, so they got him a LMS Stainer Tender to replace it, in 1943 during the events of "Gordon Takes a Tumble", his line was shot down by Germany's war planes, causing him to crash, and in 1946 he was rebuilt into a LNER Thompson A2/2, today taking the wild nor' wester and heavy goods trains, and his personality is his RWS personality, his voice is Neil Crone/Voice of Gordon in TATMR.
@CyanPlumber258 C2A here's the original: https://scratch.mit.edu/projects/1369924609