Lets try to count (lets see if I can remember them)
Negatale/Positale 2
Reneetale 3
Tormented 4
TheTrueMonster 5
HalloweenTale 6
Empty 7
Toothtale 8
Underterror 9
Browntale 10
Dreemur Highschool 11
FriskVSSans 12
Undertelling 13
Cinnamonroll 14
Neuritale 15
BBS GGF 16
16. How has your brain not died. AND THATS JUST UNDERTALE!