Who comes in and threatens Lennie?

well could be the one guy in the today show crowd everyday

In the book 'Of Mice and Men' Lennie is Lennie Small, he is George's best friend.

He is traveller looking for work during the great depression in America.

He is very big but doesn't no his own strength. He is also not very bright.

He is obsessed with rabbits and loves touching soft things which gets him into a lot of trouble.