Presenting my top 12 favourite characters for both females and males. And this is not in any particular order....

Females~

1. Erza Scarlet from Fairy Tail

Erza <3

2. Misaka Mikoto from Toaru Kagaku no Railgun

 Mikoto (Biri biri) <3

3. Mikasa Ackerman from Shingeki no Kyojin

Mikasa :D

4. Altria Pendragon aka Saber from Fate Zero

Saber  <3

5. Shana from Shakugan no Shana

Shana :3

6. Akiyama Mio from K-On!

 Mio :3

7. Nakamura Yuri aka Yurippe from Angel Beats!

Yuri  (Yurippe) :) :)

8. Tohsaka Rin from Fate/Stay Night

 Rin >.<

9. Kikuchi Makoto from The Idolm@ster

Makoto :DDDD

10. Haibara Ai aka Miyano Shiho from Detective Conan

Ai :3

11. Nishikino Maki from Love Live!: School Idol Project

 Maki :3

12. Kisaragi Chihaya from The Idolm@ster

Chihaya :D 

Males~

1. Usui Takumi from Kaichou wa Maid-sama!

Takumi 

2. Fujisaku Yuusuke aka "Bossun" from Sket Dance

Bossun :3

3. Killua Zoldyck from Hunter X Hunter (2011)

Killua :3

4. Jellal Fernandes from Fairy Tail

Jellal

5. Edward Elric from Fullmetal Alchemist Brotherhood

Edward

6. Okumura Rin from Ao no Exorcist

Rin :3

7. Ootori Kyoya from Ouran High School Host Club

Kyoya

8. Natsu Dragneel from Fairy Tail

Natsu

9. Leo aka Loki from Fairy Tail

Loki

10. Sawada Tsunayoshi from Katekyo Hitman Reborn!

Tsuna

11. Hitsugaya Toshiro from Bleach

Toshiro

12. Accelerator from Toaru Majutsu no Index
.

Accelerator