Monorail Cat

2006Image macro / lolcatclassic

Published March 31, 2026

Monorail Cat is a lolcat-era image macro featuring photos of cats sitting on narrow surfaces with their legs tucked beneath them, making them look like monorail trains gliding along a track. The meme originated in November 2006 on the Catmas blog and quickly spread through 4chan's Caturday threads, YTMND, and I Can Has Cheezburger2. It's one of the most recognizable cat memes from the mid-2000s lolcat golden age, and it saw a surprise second life when it went viral on Japanese Twitter in late 20176.

Overview

The format is dead simple: a cat lies flat on a narrow surface with its legs tucked underneath, so from the side it looks like a fuzzy train riding a rail. The original photo caught a cat draped over the metal frame of a wall mirror, and the visual joke reads instantly because the cat's silhouette matches the profile of a real monorail car1.

Over the years the setup expanded to banisters, stair rails, fence posts and thin ledges, with captions like "Monorail cat has left the station" cementing the train-schedule tone2. Animated GIF edits added motion, sliding the cat along the frame or letting it "derail" for a punchline3. The joke works because the pose is common but the framing rewrites it, which is why the format kept coming back in fresh photo submissions rather than dying with one specific image.

Origin & Background

Platform
Catmas blog (source photo), 4chan /b/ (viral spread)
Creator
Unknown
Date
2006

The earliest known posting of Monorail Cat appeared on November 2, 2006, on the Catmas blog2. Catmas was a niche web blog started in 2003 by a blogger named Ross, who declared that the first Friday of every October should be dedicated to posting cat pictures on blogs1. The site operated at catmas.com, a domain that had originally been used as an example name in Tucows documentation before being turned into an actual cat celebration site1.

The specific identity of the person who photographed or submitted the original Monorail Cat image is unknown. The Catmas post simply presented the image after a period without new content, noting "it's been a while since we've posted a cat picture, but we're back"2.

How It Spread

From Catmas, the image migrated to 4chan's /b/ board, where it fit perfectly into the Caturday tradition. Caturday, the practice of flooding the board with cat images every Saturday, had been running since early 2005 and was one of the key engines behind the entire lolcat movement4. Monorail Cat became a staple of these threads6.

The meme's next major stop was YTMND, where users created multiple sites featuring the image with looping audio and animations6. It also spread to I Can Has Cheezburger, the lolcat aggregation site that launched in January 2007 and turned captioned cat photos into a mainstream phenomenon4. By the late 2000s, Monorail Cat had become one of the best-known examples of the image macro cat format, alongside Ceiling Cat, Longcat, and Basement Cat6.

People didn't just share the original image. The concept spawned an entire genre: cat owners began photographing their own pets in "monorail style" positions on railings, ledges, armrests, and any narrow surface that could serve as a convincing track3. The game Scribblenauts included a Monorail Cat as a hidden object, depicting it as a small Somali cat with no arms or legs that moved surprisingly fast despite having no limbs3.

In late 2017, the meme experienced an unexpected revival in Japan. A Japanese Twitter user posted the image with a caption, and it immediately blew up across Japanese Twitter6. Similar monorail-style cat photos flooded the platform, and Twitter Japan created a "Twitter Moments" feature about the meme's return6. The Japanese revival demonstrated how old Western internet memes could find entirely new audiences in different language spheres years after their original peak.

How to Use This Meme

To make one, you typically find a cat already loafed on a thin edge, a banister, a stair rail, the top of a mirror or a fence post, then shoot from the side so the cat's tucked legs disappear and its body reads as a train car. A common convention is to add a train-themed caption in the "Monorail cat has left the station" style, or to pair the photo with an image of an actual monorail for direct visual comparison6.

Frequently Asked Questions