Charles Montgomery Burns' robots

The robots are many that were hired by Mr. Burns. This is the list of them.
 * L23
 * J18
 * M37
 * E28 (the one that holds Homer's box of stuff)
 * LA6 (Smithers' replacement)
 * E28 (the one that Homer works with)
 * E01 (the other one that Homer works with)
 * A27 (the one that zaps Homer, has prime directive changed)
 * Q15 (the one that Homer passes in the hall)
 * F13 (the one that Homer crashes into)
 * E15 (the other one that Homer breaks)
 * E03 (the one that Homer fixes)
 * D39 (Homer's friend)
 * R72 (the one that takes Homer's beer)
 * P75 (the one at the robot funeral)
 * E56 (the other one at the robot funeral)
 * G09 (the one that the prime directive was changed on)
 * F17 (the other one that turned evil)
 * A63 (the one that Homer goes fishing with)