A reveller from Unidos da Tijuca samba school performs during the first night of the Carnival parade at the Sambadrome in Rio de Janeiro, Brazil on March 4, 2019. (Photo by Pilar Olivares/Reuters)
A boy attends the “Bloco da Lama” (Block of Mud) group during the carnival festivities, in Paraty, Brazil on February 11, 2024. (Photo by Pilar Olivares/Reuters)
Theridion grallator, also known as the "happy face spider", is a spider in the family Theridiidae. Its Hawaiian name is nananana makakiʻi (face-patterned spider). The specific epithet grallator is Latin for "stilt walker", a reference to the species' long, spindly legs.