The out-of-favour Argentine moved to Wearside from Estudiantes in the summer but has struggled to make any impact in the North-East.
Angeleri has made just two Premier League appearances as a substitute and only one start, which came in the FA Cup third round defeat at home to Notts County in January.
Now the 27-year-old has hit out at Bruce for snubbing him and claims that the Sunderland boss is 'not a nice person at all'.
"The boss doesn't talk to me, he doesn't even say hello to me when he sees me," he told ESPN Radio.
"I think he doesn't like me because I'm not English.
"Steve Bruce is not a nice person at all. He is a little unpleasant. I have played just a few minutes in Sunderland since my arrival.
"I want to play, that's my job. That's why I'm not happy here in Sunderland. I don't understand why I'm not playing. The boss is too defensive."
