Here's the river but I can't quite see the troll? Musing: The Three Billy Goat's Gruff (continued) Trip, trap, trip, trap, trip, trap, went the bridge. "Who's that tripping over my bridge?" roared the troll. "Oh, it's the second Billy Goat Gruff , and I'm going up to the hillside to make myself fat," said the billy goat, who hadn't such a small voice. "Now I'm coming to gobble you up," said the troll. "Oh, no! Don't take me. Wait a little till the big Billy Goat Gruff comes. He's much bigger." "Very well! Be off with you," said the troll. If you don't remember the story you can check out the ending here .