Major DBZ villians and plotholes

Poll: Favorite villian(s)

Baby Goku
0%
0
Vegeta
25.00%
1
Majin Vegeta
25.00%
1
Bardock(well,mostly)
25.00%
1
Cooler
0%
0
Baby
0%
0
Raditz
0%
0
Nappa
25.00%
1
Total: 100% 4 vote(s)
Dragon ball z has a lot of plotholes and villins.A plothole,for example,when the heros wished for everyone slaughtered by freiza and his henche men to come back alive,how come bardock and the saiyins didn't come back?My favorite used to be villian is Vegeta;prideful,arrogant.I beleive he could beat Goku who I dislike.