I've seen people doing this and thought I'd give it a go.

A - Artemis Fowl, you MUST read those books.

B - Blue Box, take a guess.

C - Captain Jack Harkness, him + Gwen.

D - Daleks, I am such a fangirl.

E - Elephants.

F - Filmcrew

G - Gamemakers, Keeta so adorable.

H - Harriet Jones, so much DW.

I - Incendio! If you don't know what this is, I am sorry.

J - The Joker, nanananananananana BATMAN!

K - Katniss Everdeen

L - Leelo, & Stitch!

M - Mary Watson, AKA Girl who shot Sherlock.

N - Narissa, I like the name but it's not mine.

O - Orion

P - Peeta Mellark

Q - Question, everything.

R - Rose Tyler, Ten+Rose

S - Sherlock Holmes, he'll never get a girl.

T - Torchwood, alien hunters.

U - Utopia

V - Vanellope Von Schweetz

W - Watson, John

X - Xylophone

Y - Yarrow, a plant.

Z - Zac, my cat.