#1
Mater's Undertale (Cars X Undertal...by ThatCarsUndertaleFan
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7744When Lightning and Mater fall down in the underground, they must find a way to get out safely. Along the way meeting new monster friends and a familiar face...
Mater's U...
#2
Mater's Tall Tale (Undertale AU)by ThatCarsUndertaleFan802
802His tallest tale yet! When Mater rescues a UFO from Parking Area 51, they both go into hiding. The Spaceships mistake Mator's disappearance as his death, and attack the...