Rock, rock has 4 letters. Triangles have 3.

4 - 3 = 1. One has 3 letters. 3 take 1 is 2.

2 have 3 letters.

2 + 3 is 5.

5

Techy have 5 letters.

Techy

Techy is the nickname of giant-dad techpriest eh.

Giant dad is 26 years old.

Old.

Old has 3 letters. You know what has somethings? Thats right! A triangle!

Triangle... Triangles have 3 sides and have one i in its spelling.

Techpriest is illuminate confirmed

4538184 Mind, blown

4538184