Meanings of poor tyke in English

He wouldn't 'a come for me, nor Snatcher; he hates my poor tyke.

There's only Mister Vinston, the Vet, and he wouldn't look at this poor tyke of mine.

And I confess, I consider myself a poor tyke to be here addressing the most intelligent people in the world.

Ma said this side of Dark Score's also haunted by the ghost of that Negro boy who died here, poor tyke.

This is the sort of achingly worthy film that, when shown to schoolchildren in civics class, causes the poor tykes to yearn for double maths.