What is the full name of the lamb under the legend

Asriel Dreemurr - Asriel Dream by Dream.

Frisk - Frisk.

Chara - Chara (Badger).

Toriel - Toriel (sheep mom).

Asgore Dreemur - Asgore Dream by Dream (Sheep Dad).

Sans - Sans.

Papyrus - Papyrus (cherub).

Undyne - Undyne (Sister Fish).

Alphys - Alphys (House Dragon).

Mettaton - Magentaton (MTT).

Introduction

Undertale is a role-playing game independently developed and published by Toby Fox, released on September 15, 2015 for Microsoft Windows, OS X platforms. Players will take control of a human who falls into a world of underground monsters, and players can either find a way out or choose to stay.

At the beginning of the game, players will need to name their character who has fallen into the underground world, and then they will be able to maneuver the protagonist around in the underground world. The adventure ends when the character's HP reaches zero.