Wow i know some of these

11 Gary Wayne Coleman, Nightmare
12 duno..
13 mortis
king b3 and 101 where both cheap and good robots
mortis was incredibly expensive and rubbish

14 Ones that come to mind Roadblock, Brutus maximus, rotwiler only ones I can think of.
You need to define your question a bit more.

15 Il say two

15 no idea

17 no idea

18 was it evil weevel?

19 nope

20 1.....i think

so what was the answer to question 10, odyssey?