Change one letter.

[Slime]

Zero.

 

[Activ]

Zero.

Zeno

 

[Slime]

Leno.

 

[Activ]

Leno.

Lenj

 

[Mottie]

Lend

 

[Activ]

Lend

Bend

 

[Slime]

Bent.

 

[Activ]

Bent.

Cent

 

[Slime]

Pent.

 

[Odds]

Dent

(as in Arthur Dent.)

 

[Mottie]

Tent

 

[Slime]

Test.

 

[Jurassicspark]

Best

 

[Mottie]

Jest

 

[Slime]

Rest.