Delly, AKA, Del, or ∆, is a one eyed male symbol-number hybrid. he is usually monotonous and lazy, but caring of others, especially his sister Nabla (∇). he has joined the LMNOPX team despite having no powers, he did it just to protect his sister. he can often be found smoking. he was originally from the symbol universe, but was drafted to the number universe with his sister to make equations against their will. soon, he organized an escape plan, and he and his sister then fled to Planet Z.