That was Mercutio talking to Romeo, after being hurt by Tybalt. Needless to say, he was very angry.
Answer:
Mercutio
Explanation:
MERCUTIO
Help me into some house, Benvolio,
Or I shall faint. A plague o' both your houses!
They have made worms' meat of me: I have it,
And soundly too: your houses!
