I taught my boys a few tricks, begging on hind legs (not exactly hard)

Spin one direction, turn the other, jump through a hoop, and ring a bell. They know their individual names and Ernie delivers kisses on command but Eric refuses to kiss a human.
I have been trying to teach them to weave between poles like dogs do, and jump jumps show jumping style but they keep getting in each others way.
Here's video of them performing;
Ernie:
Eric:
Ernie is a much quicker learner than Eric and keener to do training, Eric seems to have learned most of the tricks by watching Ernie.

Try and teach each pig individually at first so they don't get confused if one does it and the other doesn't.
Have fun!