One of two Iyaaran ambassadors hosted on the Enterprise-D in 2370, who is assigned to Deanna Troi and devotes his visit to dessert and other pleasures.
Loquel appears in the seventh-season episode Liaisons. Iyaarans take their nourishment in a plain, purely functional form, and the idea of eating for enjoyment is new to him. Once Troi introduces him to chocolate he pursues it relentlessly, dragging her from one rich dish to the next.
He is delighted by everything, including the ship's children, since Iyaarans are born fully grown. Troi finds the assignment far more tiring than she expected.
At the end it emerges that each ambassador came to study one thing his people lack. Loquel's subject was pleasure, as his colleague Byleth's was antagonism and Voval's was love. He was played by Paul Eiding.