Heracles vs. Hercules

Hercules.

Also called Heracles Furens. (italics),  a tragedy (420? b.c.) by Euripides.

Also called Alcides. Classical Mythology.,  Also Heracles a celebrated hero, the son of Zeus and Alcmene, possessing exceptional strength: among his many adventures were the twelve labors for his cousin Eurystheus, performed in order to gain immortality.

Astronomy.,  a northern constellation, between Lyra and Corona Borealis.