Most Helpful Girl
This is soooo hard to say lol I have so many that I think was the best. So I'll have to Soul Eater.
Most Helpful Guy
depends on the genre, there is too many to answer
dragon ball, dragon ball Z only up to the end of the kid buu saga. (DbGT and DbS don't exist to me),
birdy the mighty,
ghost in the shell movie and TV series. SAO (only the first 15 ep? I think.)
Highschool of the dead
Gundam Wing TV and Movie
Gundam 8th Ms team
Kill LA Kill
Tenchi muyo, GXP, and Universe
and the list goes on and on and on.