No, Darkrai is not able to learn Earthquake.
Darkrai is the only one who can learn it by level, although Smeargle can use Sketch to learn it as well.
Yes, Darkrai can learn the moves Roar of Time and Spacial Rend.
Darkrai
In the Pokemon games Darkrai learns the move dark void at level 66. He is the only Pokemon which can learn this move.
Darkrai
at level 100 it can learn the four one-hit-kos
Just Darkrai.
Darkrai learns Dark Pulse at level 93.
You will need to learn how to use drafting programs, often called CAD programs. These allow you to draw and build buildings in 3D on a computer screen.
You can learn how to draw cartoon chefs by getting drawing books from the library and watching drawing tutorial videos. That is how you can learn how to draw cartoon chefs.
You can learn how to draw evil clown faces online at the DrawingHowToDraw website. Alternatively, you can also learn how to draw these faces at websites such as YouTube.