It is called a funnel ( you're talking about the thing that spurts out smoke right?)
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Or chimney. - The other large excrescences on locomotives like that in the heading photo are the "dome", which collects the steam and houses the 'regulator' (UK) or throttle (US) valve controlling its flow to the cylinders, and I think a sand-box. That holds sand that can be fed to the rail-head just in front of the wheels to overcome grease and give the driving-wheels grip to help in starting.
The chimney thingy is called a smoke stack.
The first steam train, the Penydarren locomotive, reached a top speed of around 5 mph during its trial run in 1804.
The top of the pyramid is called the 'Apex.'
The thing on top of Toad's head is called a Mush.
Download Steam and turn it on, you should now see the Steam store, at the top of the Steam app/thing there is in big letters "LIBRARY" hover over that and click "All Games" you should now see the games you own/have purchased.
it is called the crest
The Rocker Arm
A priority?
Akanishta
It is a tusk.
After one does some research, one will find a free online train simulator on Amazon, steamcommunity, and railsimulator. One's research will also show that there are more sites that offer free online train simulators, but these sites are rated the top three.
the back thing of a car is a boot or often know as trunk. Also on top of the trunk is a thing called a spoiler