Tommy here is a fellow hufflepuff firstie and he speaks decent standard French thanks to Guernsey's free, bilingual education system (plus fluent Guernésiais, although that might sound a bit funny to Leo). He's friendly, if a bit nervous to be at a magic school without his family. He'd be happy to be friends with Leo if his class and the fishy smell he would have come to school with (as his dad is a fisherman and his mum processes the fish in their home) didn't dissuade Leo from that.