Denisa is the niece of Lord Balthazar. She is also the godniece of Gargamel. She is known for her echoing scream. Unlike her uncles and cousin, she is nice to the Smurfs. Denisa becomes best friends with Sassette Smurfling after they save each other's lives from wolves. She appears in Season 8 in the episodes "A Smurf for Denisa", "Denisa's Greedy Doll", and "Denisa's Slumber Party". Denisa was voiced by Katie Leigh.